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.

A135522 a(n) = 2*a(n-1) + 3*a(n-2), with a(0) = 2 and a(1) = 3.

Table of values

n a(n)
0 2
1 3
2 12
3 33
4 102
5 303
6 912
7 2733
8 8202
9 24603
10 73812
11 221433
12 664302
13 1992903
14 5978712
15 17936133
16 53808402
17 161425203
18 484275612
19 1452826833
20 4358480502
21 13075441503
22 39226324512
23 117678973533
24 353036920602
25 1059110761803

List of values

[2, 3, 12, 33, 102, 303, 912, 2733, 8202, 24603, 73812, 221433, 664302, 1992903, 5978712, 17936133, 53808402, 161425203, 484275612, 1452826833, 4358480502, 13075441503, 39226324512, 117678973533, 353036920602, 1059110761803]