A308504 - cp's OEIS frontend

A308504 Square array A(n,k), n >= 1, k >= 0, read by antidiagonals: A(n,k) = Sum_{d|n} d^(n+k).

n	a(n)
1	1
2	1
3	5
4	1
5	9
6	28
7	1
8	17
9	82
10	273
11	1
12	33
13	244
14	1057
15	3126
16	1
17	65
18	730
19	4161
20	15626
21	47450
22	1
23	129
24	2188
25	16513
26	78126
27	282252
28	823544
29	1
30	257
31	6562
32	65793
33	390626
34	1686434
35	5764802
36	16843009
37	1
38	513
39	19684
40	262657
41	1953126
42	10097892
43	40353608
44	134480385
45	387440173

[1, 1, 5, 1, 9, 28, 1, 17, 82, 273, 1, 33, 244, 1057, 3126, 1, 65, 730, 4161, 15626, 47450, 1, 129, 2188, 16513, 78126, 282252, 823544, 1, 257, 6562, 65793, 390626, 1686434, 5764802, 16843009, 1, 513, 19684, 262657, 1953126, 10097892, 40353608, 134480385, 387440173]

cp's OEIS Frontend

A308504 Square array A(n,k), n >= 1, k >= 0, read by antidiagonals: A(n,k) = Sum_{d|n} d^(n+k).

Table of values

List of values