A175625 - cp's OEIS frontend

A175625 Numbers k such that gcd(k, 6) = 1, 2^(k-1) == 1 (mod k), and 2^(k-3) == 1 (mod (k-1)/2).

n	a(n)
1	7
2	11
3	23
4	31
5	47
6	59
7	83
8	107
9	167
10	179
11	227
12	263
13	347
14	359
15	383
16	467
17	479
18	503
19	563
20	587
21	683
22	719
23	839
24	863
25	887
26	983
27	1019
28	1123
29	1187
30	1283
31	1291
32	1307
33	1319
34	1367
35	1439
36	1487
37	1523
38	1619
39	1823
40	1907
41	2027
42	2039
43	2063
44	2099
45	2207
46	2447
47	2459
48	2543

[7, 11, 23, 31, 47, 59, 83, 107, 167, 179, 227, 263, 347, 359, 383, 467, 479, 503, 563, 587, 683, 719, 839, 863, 887, 983, 1019, 1123, 1187, 1283, 1291, 1307, 1319, 1367, 1439, 1487, 1523, 1619, 1823, 1907, 2027, 2039, 2063, 2099, 2207, 2447, 2459, 2543]

cp's OEIS Frontend

A175625 Numbers k such that gcd(k, 6) = 1, 2^(k-1) == 1 (mod k), and 2^(k-3) == 1 (mod (k-1)/2).

Table of values

List of values