A298310 - cp's OEIS frontend

A298310 Least k > 1 such that all divisors d of (k^(2n+1)+1)/(k+1) satisfy d == 1 (mod 2n+1).

n	a(n)
0	2
1	3
2	2
3	2
4	9
5	2
6	2
7	15
8	2
9	2
10	15
11	2
12	32
13	81
14	2
15	2
16	55
17	21
18	2
19	39
20	2
21	2
22	4141
23	2
24	18
25	51
26	2
27	551
28	39
29	2
30	2
31	21267
32	21
33	2
34	1012
35	2
36	2
37	826
38	330
39	2
40	729
41	2
42	136
43	204
44	2
45	3
46	280
47	20
48	2

[2, 3, 2, 2, 9, 2, 2, 15, 2, 2, 15, 2, 32, 81, 2, 2, 55, 21, 2, 39, 2, 2, 4141, 2, 18, 51, 2, 551, 39, 2, 2, 21267, 21, 2, 1012, 2, 2, 826, 330, 2, 729, 2, 136, 204, 2, 3, 280, 20, 2]

cp's OEIS Frontend

A298310 Least k > 1 such that all divisors d of (k^(2n+1)+1)/(k+1) satisfy d == 1 (mod 2n+1).

Table of values

List of values