A190213 - cp's OEIS frontend

A190213 Integers m such that m divides (2^m-2)^2 and (m-2)^((k-1)(1+k(m-1))) == 1 (mod k), where k = 2^m - 1.

n	a(n)
1	1
2	3
3	4
4	5
5	7
6	13
7	17
8	19
9	31
10	61
11	89
12	107
13	127
14	521
15	607
16	1279
17	2203
18	2281
19	3217
20	4253
21	4423
22	9689
23	9941
24	11213
25	19937
26	21701
27	23209
28	44497
29	86243
30	110503
31	132049
32	216091
33	756839

[1, 3, 4, 5, 7, 13, 17, 19, 31, 61, 89, 107, 127, 521, 607, 1279, 2203, 2281, 3217, 4253, 4423, 9689, 9941, 11213, 19937, 21701, 23209, 44497, 86243, 110503, 132049, 216091, 756839]

cp's OEIS Frontend

A190213 Integers m such that m divides (2^m-2)^2 and (m-2)^((k-1)(1+k(m-1))) == 1 (mod k), where k = 2^m - 1.

Table of values

List of values

cp's OEIS Frontend

A190213 Integers m such that m divides (2^m-2)^2 and (m-2)^((k-1)*(1+k*(m-1))) == 1 (mod k), where k = 2^m - 1.

Table of values

List of values

A190213 Integers m such that m divides (2^m-2)^2 and (m-2)^((k-1)(1+k(m-1))) == 1 (mod k), where k = 2^m - 1.