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.

A158828 The 5th iteration of x*C(x) where C(x) is the Catalan function (A000108).

Table of values

n a(n)
1 1
2 5
3 30
4 195
5 1330
6 9380
7 67844
8 500619
9 3755156
10 28558484
11 219767968
12 1708590960
13 13403300208
14 105983648060
15 844009565176
16 6764300053390
17 54525119251104
18 441811163402124
19 3597005618194848
20 29412560840221272

List of values

[1, 5, 30, 195, 1330, 9380, 67844, 500619, 3755156, 28558484, 219767968, 1708590960, 13403300208, 105983648060, 844009565176, 6764300053390, 54525119251104, 441811163402124, 3597005618194848, 29412560840221272]