A216246 - cp's OEIS frontend

A216246 O.g.f. satisfies: A(x) = Sum_{n>=0} n^n * x^n * A(nx^2)^n/n! exp(-nxA(n*x^2)).

n	a(n)
0	1
1	1
2	1
3	2
4	7
5	20
6	62
7	228
8	867
9	3474
10	14864
11	67101
12	316028
13	1540782
14	7792810
15	40669011
16	218087867
17	1201778736
18	6792071574
19	39309770969
20	232718797430
21	1407837227275
22	8694994837673
23	54771751869237
24	351643945379956
25	2299330292987022
26	15302662859459784

[1, 1, 1, 2, 7, 20, 62, 228, 867, 3474, 14864, 67101, 316028, 1540782, 7792810, 40669011, 218087867, 1201778736, 6792071574, 39309770969, 232718797430, 1407837227275, 8694994837673, 54771751869237, 351643945379956, 2299330292987022, 15302662859459784]

cp's OEIS Frontend

A216246 O.g.f. satisfies: A(x) = Sum_{n>=0} n^n * x^n * A(nx^2)^n/n! exp(-nxA(n*x^2)).

Table of values

List of values

cp's OEIS Frontend

A216246 O.g.f. satisfies: A(x) = Sum_{n>=0} n^n * x^n * A(n*x^2)^n/n! * exp(-n*x*A(n*x^2)).

Table of values

List of values

A216246 O.g.f. satisfies: A(x) = Sum_{n>=0} n^n * x^n * A(nx^2)^n/n! exp(-nxA(n*x^2)).