A166896 - cp's OEIS frontend

A166896 G.f.: exp( Sum_{n>=1} [Sum_{k=0..n} C(n,k)^3 * x^k] * x^n/n ), an integer series in x.

n	a(n)
0	1
1	1
2	2
3	6
4	16
5	45
6	142
7	459
8	1508
9	5122
10	17787
11	62649
12	223971
13	811339
14	2970032
15	10974150
16	40893393
17	153512844
18	580082454
19	2205046961
20	8427087958
21	32362949488
22	124837337235
23	483508287359
24	1879669861074
25	7332469937755

[1, 1, 2, 6, 16, 45, 142, 459, 1508, 5122, 17787, 62649, 223971, 811339, 2970032, 10974150, 40893393, 153512844, 580082454, 2205046961, 8427087958, 32362949488, 124837337235, 483508287359, 1879669861074, 7332469937755]

cp's OEIS Frontend

A166896 G.f.: exp( Sum_{n>=1} [Sum_{k=0..n} C(n,k)^3 * x^k] * x^n/n ), an integer series in x.

Table of values

List of values