A326089 - cp's OEIS frontend

A326089 G.f. A(x) satisfies: 1 + 2 * Sum_{n>=1} A(x)^(n(n+1)/2) x^n = Sum_{n>=0} (1 + xA(x)^n)^n x^n.

n	a(n)
0	1
1	2
2	10
3	90
4	1002
5	12422
6	164866
7	2294842
8	33092066
9	490458214
10	7430814938
11	114644436410
12	1796058433818
13	28510908961974
14	457838834794898
15	7427992562185162
16	121633693137277970
17	2008722124583739830
18	33435242160622759594
19	560667079009101397162
20	9468303108907658924874
21	160991659768738107957670
22	2755748012982878460654370
23	47485639148930596873348890

[1, 2, 10, 90, 1002, 12422, 164866, 2294842, 33092066, 490458214, 7430814938, 114644436410, 1796058433818, 28510908961974, 457838834794898, 7427992562185162, 121633693137277970, 2008722124583739830, 33435242160622759594, 560667079009101397162, 9468303108907658924874, 160991659768738107957670, 2755748012982878460654370, 47485639148930596873348890]

cp's OEIS Frontend

A326089 G.f. A(x) satisfies: 1 + 2 * Sum_{n>=1} A(x)^(n(n+1)/2) x^n = Sum_{n>=0} (1 + xA(x)^n)^n x^n.

Table of values

List of values

cp's OEIS Frontend

A326089 G.f. A(x) satisfies: 1 + 2 * Sum_{n>=1} A(x)^(n*(n+1)/2) * x^n = Sum_{n>=0} (1 + x*A(x)^n)^n * x^n.

Table of values

List of values

A326089 G.f. A(x) satisfies: 1 + 2 * Sum_{n>=1} A(x)^(n(n+1)/2) x^n = Sum_{n>=0} (1 + xA(x)^n)^n x^n.