A308676 - cp's OEIS frontend

A308676 Square array A(n,k), n >= 1, k >= 0, read by antidiagonals, where A(n,k) is Sum_{d|n} d^(d^k * n/d).

n	a(n)
1	1
2	1
3	3
4	1
5	5
6	4
7	1
8	17
9	28
10	9
11	1
12	257
13	19684
14	273
15	6
16	1
17	65537
18	7625597484988
19	4294967553
20	3126
21	24
22	1
23	4294967297
24	443426488243037769948249630619149892804
25	340282366920938463463374607431768276993
26	298023223876953126
27	47450
28	8

[1, 1, 3, 1, 5, 4, 1, 17, 28, 9, 1, 257, 19684, 273, 6, 1, 65537, 7625597484988, 4294967553, 3126, 24, 1, 4294967297, 443426488243037769948249630619149892804, 340282366920938463463374607431768276993, 298023223876953126, 47450, 8]

cp's OEIS Frontend

A308676 Square array A(n,k), n >= 1, k >= 0, read by antidiagonals, where A(n,k) is Sum_{d|n} d^(d^k * n/d).

Table of values

List of values