A185343 - cp's OEIS frontend

A185343 Least positive number k such that k*p+1 divides 2^p+1 where p is prime(n), or 0 if no such number exists.

n	a(n)
1	2
2	0
3	2
4	6
5	62
6	210
7	2570
8	9198
9	121574
10	2
11	23091222
12	48
13	2
14	68186767614
15	6
16	2
17	48
18	12600235023025650
19	109368
20	794502
21	24
22	2550476412689091085878
23	6
24	2
25	10
26	8367330694575771627040945250
27	4030501264
28	6
29	955272
30	2
31	446564785985483547852197647548252246
32	8
33	8
34	32424
35	8

[2, 0, 2, 6, 62, 210, 2570, 9198, 121574, 2, 23091222, 48, 2, 68186767614, 6, 2, 48, 12600235023025650, 109368, 794502, 24, 2550476412689091085878, 6, 2, 10, 8367330694575771627040945250, 4030501264, 6, 955272, 2, 446564785985483547852197647548252246, 8, 8, 32424, 8]

cp's OEIS Frontend

A185343 Least positive number k such that k*p+1 divides 2^p+1 where p is prime(n), or 0 if no such number exists.

Table of values

List of values