A308554 - cp's OEIS frontend

A308554 Expansion of e.g.f. Sum_{k>=1} tau(k)*(exp(x) - 1)^k/k!, where tau = number of divisors (A000005).

n	a(n)
1	1
2	3
3	9
4	30
5	113
6	472
7	2145
8	10514
9	55428
10	313255
11	1886888
12	12029741
13	80701715
14	567541878
15	4175795147
16	32104799401
17	257561662496
18	2151841672173
19	18676002357864
20	167951667633495
21	1561420657033927
22	14980472336450530
23	148140814019762129
24	1508776236781766431

[1, 3, 9, 30, 113, 472, 2145, 10514, 55428, 313255, 1886888, 12029741, 80701715, 567541878, 4175795147, 32104799401, 257561662496, 2151841672173, 18676002357864, 167951667633495, 1561420657033927, 14980472336450530, 148140814019762129, 1508776236781766431]

cp's OEIS Frontend

A308554 Expansion of e.g.f. Sum_{k>=1} tau(k)*(exp(x) - 1)^k/k!, where tau = number of divisors (A000005).

Table of values

List of values