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.

A154237 a(n) = ( (6 + sqrt(6))^n - (6 - sqrt(6))^n )/(2*sqrt(6)).

Table of values

n a(n)
1 1
2 12
3 114
4 1008
5 8676
6 73872
7 626184
8 5298048
9 44791056
10 378551232
11 3198883104
12 27030060288
13 228394230336
14 1929828955392
15 16306120554624
16 137778577993728
17 1164159319286016
18 9836554491620352
19 83113874320863744
20 702269857101754368

List of values

[1, 12, 114, 1008, 8676, 73872, 626184, 5298048, 44791056, 378551232, 3198883104, 27030060288, 228394230336, 1929828955392, 16306120554624, 137778577993728, 1164159319286016, 9836554491620352, 83113874320863744, 702269857101754368]