A196192 - cp's OEIS frontend

A196192 G.f. satisfies A(x) = 1/Product_{n>=1} (1 - x^n*A(x^n)^2).

n	a(n)
0	1
1	1
2	4
3	16
4	77
5	389
6	2128
7	12019
8	70185
9	418788
10	2544938
11	15687842
12	97871618
13	616729500
14	3919686231
15	25096525793
16	161723865118
17	1048085548563
18	6826585371618
19	44664343473618
20	293407529533947
21	1934484748893113
22	12796683165889635
23	84906535878961845

[1, 1, 4, 16, 77, 389, 2128, 12019, 70185, 418788, 2544938, 15687842, 97871618, 616729500, 3919686231, 25096525793, 161723865118, 1048085548563, 6826585371618, 44664343473618, 293407529533947, 1934484748893113, 12796683165889635, 84906535878961845]

cp's OEIS Frontend

A196192 G.f. satisfies A(x) = 1/Product_{n>=1} (1 - x^n*A(x^n)^2).

Table of values

List of values