A363387 - cp's OEIS frontend

A363387 G.f. A(x) satisfies: A(x) = x + x^2 * exp( Sum_{k>=1} A(x^k)^2 / (k*x^k) ).

n	a(n)
1	1
2	1
3	1
4	3
5	6
6	17
7	42
8	120
9	330
10	962
11	2797
12	8334
13	24989
14	75905
15	232142
16	715830
17	2220473
18	6928411
19	21723883
20	68424327
21	216376757
22	686742855
23	2186771571
24	6984248840
25	22368127861
26	71818903891
27	231132440916
28	745454242656
29	2409080380316
30	7799945417349

[1, 1, 1, 3, 6, 17, 42, 120, 330, 962, 2797, 8334, 24989, 75905, 232142, 715830, 2220473, 6928411, 21723883, 68424327, 216376757, 686742855, 2186771571, 6984248840, 22368127861, 71818903891, 231132440916, 745454242656, 2409080380316, 7799945417349]

cp's OEIS Frontend

A363387 G.f. A(x) satisfies: A(x) = x + x^2 * exp( Sum_{k>=1} A(x^k)^2 / (k*x^k) ).

Table of values

List of values