A308704 - cp's OEIS frontend

A308704 Square array A(n,k), n >= 1, k >= 0, read by antidiagonals, where A(n,k) is Sum_{d|n} d^(k*d+1).

n	a(n)
1	1
2	1
3	3
4	1
5	9
6	4
7	1
8	33
9	82
10	7
11	1
12	129
13	2188
14	1033
15	6
16	1
17	513
18	59050
19	262177
20	15626
21	12
22	1
23	2049
24	1594324
25	67108993
26	48828126
27	280026
28	8
29	1
30	8193
31	43046722
32	17179869697
33	152587890626
34	13060696236
35	5764802
36	15
37	1
38	32769
39	1162261468
40	4398046513153
41	476837158203126
42	609359740069674
43	4747561509944
44	134218761
45	13

[1, 1, 3, 1, 9, 4, 1, 33, 82, 7, 1, 129, 2188, 1033, 6, 1, 513, 59050, 262177, 15626, 12, 1, 2049, 1594324, 67108993, 48828126, 280026, 8, 1, 8193, 43046722, 17179869697, 152587890626, 13060696236, 5764802, 15, 1, 32769, 1162261468, 4398046513153, 476837158203126, 609359740069674, 4747561509944, 134218761, 13]

cp's OEIS Frontend

A308704 Square array A(n,k), n >= 1, k >= 0, read by antidiagonals, where A(n,k) is Sum_{d|n} d^(k*d+1).

Table of values

List of values