A381860 - cp's OEIS frontend

A381860 G.f. A(x) satisfies A(x) = (1 + x)^3 * C(x*A(x)), where C(x) is the g.f. of A000108.

n	a(n)
0	1
1	4
2	12
3	55
4	327
5	2157
6	15141
7	110853
8	836790
9	6465309
10	50876776
11	406335099
12	3285202335
13	26835060422
14	221128733649
15	1835973630276
16	15344202894457
17	128983332603009
18	1089803313492966
19	9250137181234430
20	78837133437062307
21	674408139329393187
22	5788618956395607745

[1, 4, 12, 55, 327, 2157, 15141, 110853, 836790, 6465309, 50876776, 406335099, 3285202335, 26835060422, 221128733649, 1835973630276, 15344202894457, 128983332603009, 1089803313492966, 9250137181234430, 78837133437062307, 674408139329393187, 5788618956395607745]

cp's OEIS Frontend

A381860 G.f. A(x) satisfies A(x) = (1 + x)^3 * C(x*A(x)), where C(x) is the g.f. of A000108.

Table of values

List of values