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.

A377116 a(n) = coefficient of sqrt(6) in the expansion of (3 + sqrt(2) + sqrt(3))^n.

Table of values

n a(n)
0 0
1 0
2 2
3 18
4 128
5 840
6 5328
7 33264
8 206080
9 1271808
10 7833472
11 48200064
12 296423424
13 1822459392
14 11203152896
15 68863546368
16 423273267200
17 2601614180352
18 15990421856256
19 98282063536128
20 604069867552768
21 3712780777586688
22 22819757583302656
23 140256346936639488

List of values

[0, 0, 2, 18, 128, 840, 5328, 33264, 206080, 1271808, 7833472, 48200064, 296423424, 1822459392, 11203152896, 68863546368, 423273267200, 2601614180352, 15990421856256, 98282063536128, 604069867552768, 3712780777586688, 22819757583302656, 140256346936639488]