A137956 - cp's OEIS frontend

A137956 G.f. satisfies A(x) = 1 + x(1 + xA(x)^2)^4.

n	a(n)
0	1
1	1
2	4
3	14
4	64
5	301
6	1500
7	7738
8	40948
9	221278
10	1215284
11	6765148
12	38083556
13	216431253
14	1240048740
15	7155236960
16	41542685352
17	242513393884
18	1422608044604
19	8381507029660
20	49574494112992
21	294260899150492
22	1752288415205896

[1, 1, 4, 14, 64, 301, 1500, 7738, 40948, 221278, 1215284, 6765148, 38083556, 216431253, 1240048740, 7155236960, 41542685352, 242513393884, 1422608044604, 8381507029660, 49574494112992, 294260899150492, 1752288415205896]

cp's OEIS Frontend

A137956 G.f. satisfies A(x) = 1 + x(1 + xA(x)^2)^4.

Table of values

List of values

cp's OEIS Frontend

A137956 G.f. satisfies A(x) = 1 + x*(1 + x*A(x)^2)^4.

Table of values

List of values

A137956 G.f. satisfies A(x) = 1 + x(1 + xA(x)^2)^4.