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.

A177124 Sequence defined by the recurrence formula a(n+1)=sum(a(p)*a(n-p)+k,p=0..n)+l for n>=1, with here a(0)=1, a(1)=8, k=1 and l=1.

Table of values

n a(n)
0 1
1 8
2 19
3 106
4 521
5 3105
6 18581
7 117884
8 761515
9 5044963
10 33928351
11 231507527
12 1597241595
13 11128224961
14 78169076699
15 553043148982
16 3937226978193
17 28184931742741
18 202753591947237
19 1464948626336061
20 10626428189078521

List of values

[1, 8, 19, 106, 521, 3105, 18581, 117884, 761515, 5044963, 33928351, 231507527, 1597241595, 11128224961, 78169076699, 553043148982, 3937226978193, 28184931742741, 202753591947237, 1464948626336061, 10626428189078521]