A370472 - cp's OEIS frontend

A370472 G.f. satisfies A(x) = 1 + x * A(x) * (1 - A(x) + A(x)^2 - A(x)^3 + A(x)^4).

n	a(n)
0	1
1	1
2	3
3	15
4	88
5	565
6	3844
7	27228
8	198670
9	1482981
10	11271117
11	86926262
12	678568982
13	5351340410
14	42570335161
15	341201704970
16	2752693408051
17	22335989938093
18	182166978172055
19	1492496248447713
20	12278191839580716
21	101382009468089580
22	839932374157895727

[1, 1, 3, 15, 88, 565, 3844, 27228, 198670, 1482981, 11271117, 86926262, 678568982, 5351340410, 42570335161, 341201704970, 2752693408051, 22335989938093, 182166978172055, 1492496248447713, 12278191839580716, 101382009468089580, 839932374157895727]

cp's OEIS Frontend

A370472 G.f. satisfies A(x) = 1 + x * A(x) * (1 - A(x) + A(x)^2 - A(x)^3 + A(x)^4).

Table of values

List of values