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.

A276018 n^2 * a(n) = 3*(3*n-2)^2 * a(n-1), with a(0) = 1.

Table of values

n a(n)
0 1
1 3
2 36
3 588
4 11025
5 223587
6 4769856
7 105423552
8 2391796836
9 55365667500
10 1302200499600
11 31026810250800
12 747229013540100
13 18158991471060300
14 444709995209640000
15 10963583748568324800
16 271862615765280179025
17 6775869970094509098675
18 169647707399403264840900
19 4264689597367270438867500

List of values

[1, 3, 36, 588, 11025, 223587, 4769856, 105423552, 2391796836, 55365667500, 1302200499600, 31026810250800, 747229013540100, 18158991471060300, 444709995209640000, 10963583748568324800, 271862615765280179025, 6775869970094509098675, 169647707399403264840900, 4264689597367270438867500]