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Display only:
All APs
APs of length 20 and longer
APs of length 21 and longer
APs of length 22 and longer
APs of length 23 and longer
APs of length 24 and longer
APs of length 25 and longer
APs of length 26 and longer
APs of length 27 and longer
APs of length 28 and longer
List of arithmetic progressions
Found by Jeff Gilchrist:
Search
Length
AP Sequence
Date
Links
AP27 (2016)
22
61862374393802299+38381466*23#*n for n=0..21
2017-09-13 08:04:25 UTC
AP27 (2016)
21
290909380132125731+40414478*23#*n for n=0..20
2017-10-08 23:56:04 UTC
AP27 (2016)
21
74009776182448243+48003211*23#*n for n=0..20
2018-01-04 04:11:58 UTC
AP27 (2016)
21
86513157647843617+14983158*23#*n for n=0..20
2016-11-30 15:26:50 UTC
AP27 (2016)
20
441516372868928677+27409500*23#*n for n=0..19
2020-01-22 08:17:28 UTC
AP27 (2016)
20
425352316453554517+29792167*23#*n for n=0..19
2020-02-12 06:59:03 UTC
AP27 (2016)
20
309936679935927377+51273577*23#*n for n=0..19
2018-02-07 01:17:47 UTC
AP27 (2016)
20
273671456053044307+22970208*23#*n for n=0..19
2017-02-27 04:44:01 UTC
AP27 (2016)
20
102631409981171051+38010990*23#*n for n=0..19
2017-09-08 05:52:40 UTC
AP27 (2016)
20
46741186084021463+51065685*23#*n for n=0..19
2018-02-05 06:10:11 UTC
AP27 (2016)
20
43544772732432619+45152098*23#*n for n=0..19
2017-12-05 14:34:02 UTC
AP27 (2016)
20
29800714934033581+48003185*23#*n for n=0..19
2018-01-04 04:11:58 UTC
AP27 (2016)
20
90991341439544057+21960805*23#*n for n=0..19
2017-02-14 11:25:14 UTC
AP27 (2016)
20
109270749030403973+15119589*23#*n for n=0..19
2016-12-01 14:33:48 UTC
AP27 (2016)
20
114478683649020349+8769661*23#*n for n=0..19
2016-11-12 10:27:17 UTC
Double checked by Jeff Gilchrist:
Search
Length
AP Sequence
Date
Links
AP27 (2016)
24
254514895261411483+52406246*23#*n for n=0..23
2018-02-23 16:12:00 UTC
AP27 (2016)
23
75824154348682931+47637347*23#*n for n=0..22
2018-01-01 02:34:47 UTC
AP27 (2016)
22
445933198218537919+37985291*23#*n for n=0..21
2020-04-28 09:53:55 UTC
AP27 (2016)
22
74659011022685407+17269518*23#*n for n=0..21
2016-12-20 15:49:26 UTC
AP27 (2016)
21
254279934673548149+57846709*23#*n for n=0..20
2018-04-18 17:34:02 UTC
AP27 (2016)
21
217151809755697373+54933124*23#*n for n=0..20
2018-03-22 05:53:32 UTC
AP27 (2016)
20
367618619733948367+184559376*23#*n for n=0..19
2021-12-16 03:58:54 UTC
AP27 (2016)
20
294337870023780403+184559307*23#*n for n=0..19
2021-12-16 03:58:54 UTC
AP27 (2016)
20
174444423857360029+172083624*23#*n for n=0..19
2020-01-31 14:12:00 UTC
AP27 (2016)
20
93642223393753711+173050485*23#*n for n=0..19
2020-02-15 04:52:39 UTC
AP27 (2016)
20
370200438625540157+98920824*23#*n for n=0..19
2019-12-31 04:04:32 UTC
AP27 (2016)
20
48116771362304741+165273308*23#*n for n=0..19
2019-12-07 22:17:06 UTC
AP27 (2016)
20
475504940293403291+39857282*23#*n for n=0..19
2020-05-16 08:51:57 UTC
AP27 (2016)
20
499239270739412299+23669531*23#*n for n=0..19
2019-12-25 07:55:41 UTC
AP27 (2016)
20
257459480367657019+47701579*23#*n for n=0..19
2018-01-02 02:57:48 UTC
AP27 (2016)
20
232427943492395377+52406290*23#*n for n=0..19
2018-02-23 16:12:00 UTC
AP27 (2016)
20
223707043889956051+53996933*23#*n for n=0..19
2018-03-12 21:57:16 UTC
AP27 (2016)
20
160650117051884263+63638788*23#*n for n=0..19
2018-06-30 11:13:46 UTC
AP27 (2016)
20
278978229959259757+33832641*23#*n for n=0..19
2017-07-09 09:38:12 UTC
AP27 (2016)
20
145759391857385039+50509527*23#*n for n=0..19
2018-01-29 05:38:07 UTC
AP27 (2016)
20
241144665463096079+14560922*23#*n for n=0..19
2016-11-27 19:42:47 UTC
AP27 (2016)
20
109583053791883519+44052369*23#*n for n=0..19
2017-11-25 10:44:47 UTC
AP27 (2016)
20
183943530121146109+16537162*23#*n for n=0..19
2016-12-11 18:27:26 UTC
AP27 (2016)
20
155951866310310233+20035047*23#*n for n=0..19
2017-01-21 02:44:10 UTC
AP27 (2016)
20
133312164768897407+17046517*23#*n for n=0..19
2016-12-16 21:09:46 UTC
AP27 (2016)
20
101163744298054421+15568248*23#*n for n=0..19
2016-12-04 14:25:00 UTC
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