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.

A290396 a(n) = 3*2^n + 3*4^n + 6^(n+1) + 1.

Table of values

n a(n)
0 13
1 55
2 277
3 1513
4 8593
5 49825
6 292417
7 1729153
8 10275073
9 61254145
10 365945857
11 2189371393
12 13111037953
13 78565515265
14 470990340097
15 2824331231233
16 16939544543233
17 101611496669185
18 609565899227137
19 3656983075356673
20 21940249178406913
21 131634897988091905
22 789782999624318977

List of values

[13, 55, 277, 1513, 8593, 49825, 292417, 1729153, 10275073, 61254145, 365945857, 2189371393, 13111037953, 78565515265, 470990340097, 2824331231233, 16939544543233, 101611496669185, 609565899227137, 3656983075356673, 21940249178406913, 131634897988091905, 789782999624318977]