A192620 - cp's OEIS frontend

A192620 G.f. satisfies: A(x) = Product_{n>=1} (1 + x^nA(x))^2/(1 - x^nA(x))^2.

n	a(n)
0	1
1	4
2	28
3	224
4	1948
5	17928
6	171776
7	1695872
8	17133436
9	176297668
10	1841222776
11	19467629120
12	207978652416
13	2241618514120
14	24345336854400
15	266168049520832
16	2927074607294300
17	32356419163487336
18	359330087240388828
19	4007079691584624576

[1, 4, 28, 224, 1948, 17928, 171776, 1695872, 17133436, 176297668, 1841222776, 19467629120, 207978652416, 2241618514120, 24345336854400, 266168049520832, 2927074607294300, 32356419163487336, 359330087240388828, 4007079691584624576]

cp's OEIS Frontend

A192620 G.f. satisfies: A(x) = Product_{n>=1} (1 + x^nA(x))^2/(1 - x^nA(x))^2.

Table of values

List of values

cp's OEIS Frontend

A192620 G.f. satisfies: A(x) = Product_{n>=1} (1 + x^n*A(x))^2/(1 - x^n*A(x))^2.

Table of values

List of values

A192620 G.f. satisfies: A(x) = Product_{n>=1} (1 + x^nA(x))^2/(1 - x^nA(x))^2.