A120015 - cp's OEIS frontend

A120015 Coefficients of x^n in the (n+1)-th self-composition of the g.f. of A120009, so that: a(n) = [x^n] { (x-x^2) o x/(1-(n+1)x) o (1-sqrt(1-4x))/2 } for n>=1.

n	a(n)
1	1
2	3
3	16
4	120
5	1164
6	13965
7	200960
8	3387636
9	65644780
10	1440018822
11	35314018656
12	958109355632
13	28508766348664
14	923461269689985
15	32357613376995840
16	1219728800410342556
17	49225886778689380044
18	2118029584754948604618

[1, 3, 16, 120, 1164, 13965, 200960, 3387636, 65644780, 1440018822, 35314018656, 958109355632, 28508766348664, 923461269689985, 32357613376995840, 1219728800410342556, 49225886778689380044, 2118029584754948604618]

cp's OEIS Frontend

A120015 Coefficients of x^n in the (n+1)-th self-composition of the g.f. of A120009, so that: a(n) = [x^n] { (x-x^2) o x/(1-(n+1)x) o (1-sqrt(1-4x))/2 } for n>=1.

Table of values

List of values

cp's OEIS Frontend

A120015 Coefficients of x^n in the (n+1)-th self-composition of the g.f. of A120009, so that: a(n) = [x^n] { (x-x^2) o x/(1-(n+1)*x) o (1-sqrt(1-4*x))/2 } for n>=1.

Table of values

List of values

A120015 Coefficients of x^n in the (n+1)-th self-composition of the g.f. of A120009, so that: a(n) = [x^n] { (x-x^2) o x/(1-(n+1)x) o (1-sqrt(1-4x))/2 } for n>=1.