cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A120016 a(n) = A120014(n)/n = coefficient of x^n, divided by n, in the n-th iteration of the g.f. of A120009 for n>=1.

Table of values

n a(n)
1 1
2 1
3 3
4 15
5 106
6 982
7 11383
8 159595
9 2636590
10 50278058
11 1088631886
12 26409797526
13 710034913212
14 20963748887980
15 674521750652735
16 23497037813799795
17 881180319357526102
18 35400836754598975554
19 1516991897621421273210

List of values

[1, 1, 3, 15, 106, 982, 11383, 159595, 2636590, 50278058, 1088631886, 26409797526, 710034913212, 20963748887980, 674521750652735, 23497037813799795, 881180319357526102, 35400836754598975554, 1516991897621421273210]