A155804 - cp's OEIS frontend

A155804 E.g.f. satisfies: A(x) = Sum_{n>=0} x^n/n! * A(x)^(n(n-1)/2).

n	a(n)
0	1
1	1
2	1
3	4
4	19
5	161
6	1606
7	21022
8	323485
9	5874913
10	122077756
11	2871573596
12	75437801539
13	2193468714373
14	70020045331510
15	2437979768144026
16	92073099488632441
17	3753886179551636513
18	164556499026975482008

[1, 1, 1, 4, 19, 161, 1606, 21022, 323485, 5874913, 122077756, 2871573596, 75437801539, 2193468714373, 70020045331510, 2437979768144026, 92073099488632441, 3753886179551636513, 164556499026975482008]

cp's OEIS Frontend

A155804 E.g.f. satisfies: A(x) = Sum_{n>=0} x^n/n! * A(x)^(n(n-1)/2).

Table of values

List of values