A112317 - cp's OEIS frontend

A112317 Coefficients of x^n in the n-th iteration of (x + x^2) for n>=1.

n	a(n)
1	1
2	2
3	6
4	30
5	220
6	2170
7	27076
8	409836
9	7303164
10	149837028
11	3479498880
12	90230486346
13	2584679465160
14	81056989408928
15	2762187020749144
16	101633218030586364
17	4015771398425994048
18	169588657820702174728

[1, 2, 6, 30, 220, 2170, 27076, 409836, 7303164, 149837028, 3479498880, 90230486346, 2584679465160, 81056989408928, 2762187020749144, 101633218030586364, 4015771398425994048, 169588657820702174728]

cp's OEIS Frontend

A112317 Coefficients of x^n in the n-th iteration of (x + x^2) for n>=1.

Table of values

List of values