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.

A156362 a(2*n+2) = 8*a(2*n+1), a(2*n+1) = 8*a(2*n) - 7^n*A000108(n), a(0)=1.

Table of values

n a(n)
0 1
1 7
2 56
3 441
4 3528
5 28126
6 225008
7 1798349
8 14386792
9 115060722
10 920485776
11 7363180314
12 58905442512
13 471228010428
14 3769824083424
15 30158239367445
16 241265914939560
17 1930119075851050
18 15440952606808400
19 123527424655229966

List of values

[1, 7, 56, 441, 3528, 28126, 225008, 1798349, 14386792, 115060722, 920485776, 7363180314, 58905442512, 471228010428, 3769824083424, 30158239367445, 241265914939560, 1930119075851050, 15440952606808400, 123527424655229966]