A352693 - cp's OEIS frontend

A352693 Expansion of e.g.f. 1 / (1 - Sum_{k>=1} sigma_2(k) * x^k/k!).

n	a(n)
0	1
1	1
2	7
3	46
4	455
5	5406
6	78172
7	1312116
8	25214479
9	544777183
10	13080808752
11	345471545728
12	9953804592152
13	310687941345796
14	10443489230611052
15	376122782541917166
16	14449157656748079247
17	589772212576633845886
18	25488817336672959449725

[1, 1, 7, 46, 455, 5406, 78172, 1312116, 25214479, 544777183, 13080808752, 345471545728, 9953804592152, 310687941345796, 10443489230611052, 376122782541917166, 14449157656748079247, 589772212576633845886, 25488817336672959449725]

cp's OEIS Frontend

A352693 Expansion of e.g.f. 1 / (1 - Sum_{k>=1} sigma_2(k) * x^k/k!).

Table of values

List of values