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.

A156156 a(n) = 6*a(n-1)-a(n-2) for n > 2; a(1) = 13, a(2) = 53.

Table of values

n a(n)
1 13
2 53
3 305
4 1777
5 10357
6 60365
7 351833
8 2050633
9 11951965
10 69661157
11 406014977
12 2366428705
13 13792557253
14 80388914813
15 468540931625
16 2730856674937
17 15916599117997
18 92768738033045
19 540695829080273
20 3151406236448593

List of values

[13, 53, 305, 1777, 10357, 60365, 351833, 2050633, 11951965, 69661157, 406014977, 2366428705, 13792557253, 80388914813, 468540931625, 2730856674937, 15916599117997, 92768738033045, 540695829080273, 3151406236448593]