A283120 - cp's OEIS frontend

A283120 Expansion of exp( Sum_{n>=1} sigma(8n)x^n/n ) in powers of x.

n	a(n)
0	1
1	15
2	128
3	815
4	4289
5	19663
6	81057
7	306799
8	1081986
9	3594142
10	11338690
11	34193246
12	99080387
13	277046893
14	750192227
15	1973050940
16	5053026949
17	12628736331
18	30859262181
19	73849589786
20	173333118663
21	399528823032
22	905418038792
23	2019454523623
24	4437187104779

[1, 15, 128, 815, 4289, 19663, 81057, 306799, 1081986, 3594142, 11338690, 34193246, 99080387, 277046893, 750192227, 1973050940, 5053026949, 12628736331, 30859262181, 73849589786, 173333118663, 399528823032, 905418038792, 2019454523623, 4437187104779]

cp's OEIS Frontend

A283120 Expansion of exp( Sum_{n>=1} sigma(8n)x^n/n ) in powers of x.

Table of values

List of values

cp's OEIS Frontend

A283120 Expansion of exp( Sum_{n>=1} sigma(8*n)*x^n/n ) in powers of x.

Table of values

List of values

A283120 Expansion of exp( Sum_{n>=1} sigma(8n)x^n/n ) in powers of x.