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.

A084120 a(n) = 6*a(n-1) - 3*a(n-2), a(0)=1, a(1)=3.

Table of values

n a(n)
0 1
1 3
2 15
3 81
4 441
5 2403
6 13095
7 71361
8 388881
9 2119203
10 11548575
11 62933841
12 342957321
13 1868942403
14 10184782455
15 55501867521
16 302456857761
17 1648235544003
18 8982042690735
19 48947549512401
20 266739169002201

List of values

[1, 3, 15, 81, 441, 2403, 13095, 71361, 388881, 2119203, 11548575, 62933841, 342957321, 1868942403, 10184782455, 55501867521, 302456857761, 1648235544003, 8982042690735, 48947549512401, 266739169002201]