A200222 - cp's OEIS frontend

A200222 G.f. satisfies: A(x) = 1 + Sum_{n>=1} (xA(x))^(n^2) (A(x)^n + 1/A(x)^n).

n	a(n)
0	1
1	2
2	4
3	12
4	42
5	164
6	688
7	3024
8	13680
9	63110
10	295520
11	1401012
12	6713280
13	32470468
14	158343504
15	777725264
16	3843992546
17	19104857608
18	95419519076
19	478668009828
20	2410698765472
21	12184259877320
22	61782045169312
23	314202878599696
24	1602270787137472
25	8191160756085318
26	41971595130249968
27	215522156779513584

[1, 2, 4, 12, 42, 164, 688, 3024, 13680, 63110, 295520, 1401012, 6713280, 32470468, 158343504, 777725264, 3843992546, 19104857608, 95419519076, 478668009828, 2410698765472, 12184259877320, 61782045169312, 314202878599696, 1602270787137472, 8191160756085318, 41971595130249968, 215522156779513584]

cp's OEIS Frontend

A200222 G.f. satisfies: A(x) = 1 + Sum_{n>=1} (xA(x))^(n^2) (A(x)^n + 1/A(x)^n).

Table of values

List of values

cp's OEIS Frontend

A200222 G.f. satisfies: A(x) = 1 + Sum_{n>=1} (x*A(x))^(n^2) * (A(x)^n + 1/A(x)^n).

Table of values

List of values

A200222 G.f. satisfies: A(x) = 1 + Sum_{n>=1} (xA(x))^(n^2) (A(x)^n + 1/A(x)^n).