A051315 - OEIS

A051315 as a simple table

n	a(n)
1	31
2	2
3	3
4	11
5	23
6	47059
7	7
8	5
9	89
10	19
11	2287
12	233
13	17
14	647
15	1607
16	12637
17	103
18	13
19	163
20	4980301
21	521
22	83
23	16561
24	540233
25	443516695049428313
26	109
27	37
28	1811
29	53
30	487
31	548519020982014152563328120144563684918808813765009178152503015356294212417026402782591

[31,2,3,11,23,47059,7,5,89,19,2287,233,17,647, 1607,12637,103,13,163,4980301,521,83,16561,540233, 443516695049428313,109,37,1811,53,487, 54851902098201415256332812014456368491880881376500\ 9178152503015356294212417026402782591]