A350964 - cp's OEIS frontend

A350964 a(n) is the largest prime factor of 2^p - p^2 where p is the n-th prime.

n	a(n)
3	7
4	79
5	47
6	113
7	130783
8	523927
9	1198297
10	240641
11	641
12	575058377
13	1519711993
14	65929327
15	20105355479017
16	9007199254738183
17	7633399
18	33189241
19	21081993227096629777
20	951850902549409
21	4978773308244222679
22	501615233613780359
23	9671406556917033397642519
24	8251206137
25	3818597055399121
26	13314319257913
27	521211122055087383048446607

[7, 79, 47, 113, 130783, 523927, 1198297, 240641, 641, 575058377, 1519711993, 65929327, 20105355479017, 9007199254738183, 7633399, 33189241, 21081993227096629777, 951850902549409, 4978773308244222679, 501615233613780359, 9671406556917033397642519, 8251206137, 3818597055399121, 13314319257913, 521211122055087383048446607]

cp's OEIS Frontend

A350964 a(n) is the largest prime factor of 2^p - p^2 where p is the n-th prime.

Table of values

List of values