A263561 - cp's OEIS frontend

A263561 Odd numbers n such that for every k >= 1, n*2^k - 1 has a divisor in the set {3, 5, 13, 17, 97, 241, 257}.

n	a(n)
1	42270067
2	97579567
3	340716433
4	721933559
5	890948323
6	1726122269
7	1865978047
8	1889699677
9	2362339121
10	3185721853
11	3637126963
12	4668508603
13	5064217117
14	5569622789
15	7480754459
16	7701804269
17	8594194301
18	9005098303
19	9180863669
20	9939496717
21	9979211051

[42270067, 97579567, 340716433, 721933559, 890948323, 1726122269, 1865978047, 1889699677, 2362339121, 3185721853, 3637126963, 4668508603, 5064217117, 5569622789, 7480754459, 7701804269, 8594194301, 9005098303, 9180863669, 9939496717, 9979211051]

cp's OEIS Frontend

A263561 Odd numbers n such that for every k >= 1, n*2^k - 1 has a divisor in the set {3, 5, 13, 17, 97, 241, 257}.

Table of values

List of values