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.

A226500 Triangular numbers representable as 3 * x^2.

Table of values

n a(n)
1 0
2 3
3 300
4 29403
5 2881200
6 282328203
7 27665282700
8 2710915376403
9 265642041604800
10 26030209161894003
11 2550694855824007500
12 249942065661590841003
13 24491771739980078410800
14 2399943688452386093417403
15 235169989696593857076494700
16 23044259046577745607403063203

List of values

[0, 3, 300, 29403, 2881200, 282328203, 27665282700, 2710915376403, 265642041604800, 26030209161894003, 2550694855824007500, 249942065661590841003, 24491771739980078410800, 2399943688452386093417403, 235169989696593857076494700, 23044259046577745607403063203]