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.

A147839 a(n)=9*a(n-1)-7*a(n-2), a(0)=1, a(1)=7 .

Table of values

n a(n)
0 1
1 7
2 56
3 455
4 3703
5 30142
6 245357
7 1997219
8 16257472
9 132336715
10 1077228131
11 8768696174
12 71377668649
13 581018144623
14 4729519621064
15 38498549577215
16 313380308847487
17 2550932932586878
18 20764734231349493
19 169026077554037291

List of values

[1, 7, 56, 455, 3703, 30142, 245357, 1997219, 16257472, 132336715, 1077228131, 8768696174, 71377668649, 581018144623, 4729519621064, 38498549577215, 313380308847487, 2550932932586878, 20764734231349493, 169026077554037291]