A262055 - cp's OEIS frontend

A262055 Euler pseudoprimes to base 8: composite integers such that abs(8^((n - 1)/2)) == 1 mod n.

n	a(n)
1	9
2	21
3	65
4	105
5	133
6	273
7	341
8	481
9	511
10	561
11	585
12	1001
13	1105
14	1281
15	1417
16	1541
17	1661
18	1729
19	1905
20	2047
21	2465
22	2501
23	3201
24	3277
25	3641
26	4033
27	4097
28	4641
29	4681
30	4921
31	5461
32	6305
33	6533
34	6601
35	7161
36	8321
37	8481
38	9265
39	9709
40	10261
41	10585
42	10745
43	11041
44	12545

[9, 21, 65, 105, 133, 273, 341, 481, 511, 561, 585, 1001, 1105, 1281, 1417, 1541, 1661, 1729, 1905, 2047, 2465, 2501, 3201, 3277, 3641, 4033, 4097, 4641, 4681, 4921, 5461, 6305, 6533, 6601, 7161, 8321, 8481, 9265, 9709, 10261, 10585, 10745, 11041, 12545]

cp's OEIS Frontend

A262055 Euler pseudoprimes to base 8: composite integers such that abs(8^((n - 1)/2)) == 1 mod n.

Table of values

List of values