A246464 - cp's OEIS frontend

A246464 G.f. satisfies: A(x) = Sum_{n>=0} x^n * A(x)^n / (1-x)^(2n+1) [ Sum_{k=0..n} C(n,k)^2 * x^k ]^2.

n	a(n)
0	1
1	2
2	9
3	51
4	327
5	2252
6	16259
7	121406
8	929743
9	7261742
10	57620811
11	463174907
12	3763666589
13	30864808636
14	255117429497
15	2123195981867
16	17776511724391
17	149625900208462
18	1265371478104067
19	10746502200129133
20	91616252419847037
21	783751482672817832
22	6725892179235421461

[1, 2, 9, 51, 327, 2252, 16259, 121406, 929743, 7261742, 57620811, 463174907, 3763666589, 30864808636, 255117429497, 2123195981867, 17776511724391, 149625900208462, 1265371478104067, 10746502200129133, 91616252419847037, 783751482672817832, 6725892179235421461]

cp's OEIS Frontend

A246464 G.f. satisfies: A(x) = Sum_{n>=0} x^n * A(x)^n / (1-x)^(2n+1) [ Sum_{k=0..n} C(n,k)^2 * x^k ]^2.

Table of values

List of values

cp's OEIS Frontend

A246464 G.f. satisfies: A(x) = Sum_{n>=0} x^n * A(x)^n / (1-x)^(2*n+1) * [ Sum_{k=0..n} C(n,k)^2 * x^k ]^2.

Table of values

List of values

A246464 G.f. satisfies: A(x) = Sum_{n>=0} x^n * A(x)^n / (1-x)^(2n+1) [ Sum_{k=0..n} C(n,k)^2 * x^k ]^2.