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.

A342405 a(n) = (27^n - 3*9^n - 3*12^n)/6 + 6^n.

Table of values

n a(n)
1 0
2 45
3 2268
4 76221
5 2245320
6 62858025
7 1723364748
8 46836754821
9 1268169391440
10 34282547074305
11 926123262507828
12 25011175461289821
13 675371104361586360
14 18235844869321055385
15 492377645105637260508
16 13294313813660319607221
17 358947876218708733778080

List of values

[0, 45, 2268, 76221, 2245320, 62858025, 1723364748, 46836754821, 1268169391440, 34282547074305, 926123262507828, 25011175461289821, 675371104361586360, 18235844869321055385, 492377645105637260508, 13294313813660319607221, 358947876218708733778080]