A190861 - cp's OEIS frontend

A190861 G.f. satisfies A(x) = Product_{n>=1} (1 + x^n*A(x))/(1-x^n).

n	a(n)
0	1
1	2
2	6
3	18
4	56
5	178
6	580
7	1922
8	6466
9	22022
10	75788
11	263152
12	920768
13	3243414
14	11492460
15	40934616
16	146484296
17	526389182
18	1898722242
19	6872300848
20	24951521464
21	90851221740
22	331666951116
23	1213729811070
24	4451547793956

[1, 2, 6, 18, 56, 178, 580, 1922, 6466, 22022, 75788, 263152, 920768, 3243414, 11492460, 40934616, 146484296, 526389182, 1898722242, 6872300848, 24951521464, 90851221740, 331666951116, 1213729811070, 4451547793956]

cp's OEIS Frontend

A190861 G.f. satisfies A(x) = Product_{n>=1} (1 + x^n*A(x))/(1-x^n).

Table of values

List of values