A216822 - cp's OEIS frontend

A216822 Numbers n such that 2^n == 2 (mod n*(n+1)).

n	a(n)
1	1
2	5
3	13
4	29
5	37
6	61
7	73
8	157
9	181
10	193
11	277
12	313
13	397
14	421
15	457
16	541
17	561
18	613
19	661
20	673
21	733
22	757
23	877
24	997
25	1093
26	1153
27	1201
28	1213
29	1237
30	1289
31	1321
32	1381
33	1453
34	1621
35	1657
36	1753
37	1873
38	1905
39	1933
40	1993
41	2017
42	2137
43	2341
44	2473
45	2557
46	2593
47	2797
48	2857
49	2917

[1, 5, 13, 29, 37, 61, 73, 157, 181, 193, 277, 313, 397, 421, 457, 541, 561, 613, 661, 673, 733, 757, 877, 997, 1093, 1153, 1201, 1213, 1237, 1289, 1321, 1381, 1453, 1621, 1657, 1753, 1873, 1905, 1933, 1993, 2017, 2137, 2341, 2473, 2557, 2593, 2797, 2857, 2917]

cp's OEIS Frontend

A216822 Numbers n such that 2^n == 2 (mod n*(n+1)).

Table of values

List of values