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.

A112385 a(n) = 6*binomial(4*n-1,n-1)/(4*n-1).

Table of values

n a(n)
1 2
2 6
3 30
4 182
5 1224
6 8778
7 65780
8 508950
9 4034712
10 32602328
11 267535086
12 2223463866
13 18676869400
14 158310871740
15 1352392098120
16 11631593739990
17 100637721972216
18 875325840117960
19 7649219033276888
20 67126255864788120
21 591311470790795040
22 5226783343136641530

List of values

[2, 6, 30, 182, 1224, 8778, 65780, 508950, 4034712, 32602328, 267535086, 2223463866, 18676869400, 158310871740, 1352392098120, 11631593739990, 100637721972216, 875325840117960, 7649219033276888, 67126255864788120, 591311470790795040, 5226783343136641530]