A193194 - cp's OEIS frontend

A193194 G.f. satisfies: A(A(x)) = Sum_{n>=1} a(n)x^n (1+x)^(n(n+1)/2), where g.f. A(x) = Sum_{n>=1} a(n)x^n.

n	a(n)
1	1
2	1
3	1
4	3
5	20
6	262
7	5367
8	158413
9	6318384
10	326575077
11	21199737973
12	1687053244236
13	161418184139781
14	18276066372054109
15	2416167457088427950
16	368773198369779785338
17	64348161941454274119082
18	12728047101293068225626576
19	2832615019902477894227329544

[1, 1, 1, 3, 20, 262, 5367, 158413, 6318384, 326575077, 21199737973, 1687053244236, 161418184139781, 18276066372054109, 2416167457088427950, 368773198369779785338, 64348161941454274119082, 12728047101293068225626576, 2832615019902477894227329544]

cp's OEIS Frontend

A193194 G.f. satisfies: A(A(x)) = Sum_{n>=1} a(n)x^n (1+x)^(n(n+1)/2), where g.f. A(x) = Sum_{n>=1} a(n)x^n.

Table of values

List of values

cp's OEIS Frontend

A193194 G.f. satisfies: A(A(x)) = Sum_{n>=1} a(n)*x^n * (1+x)^(n*(n+1)/2), where g.f. A(x) = Sum_{n>=1} a(n)*x^n.

Table of values

List of values

A193194 G.f. satisfies: A(A(x)) = Sum_{n>=1} a(n)x^n (1+x)^(n(n+1)/2), where g.f. A(x) = Sum_{n>=1} a(n)x^n.