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.

A189736 a(1)=3, a(2)=2, a(n)=3*a(n-1) + 2*a(n-2).

Table of values

n a(n)
1 3
2 2
3 12
4 40
5 144
6 512
7 1824
8 6496
9 23136
10 82400
11 293472
12 1045216
13 3722592
14 13258208
15 47219808
16 168175840
17 598967136
18 2133253088
19 7597693536
20 27059586784
21 96374147424
22 343241615840
23 1222473142368
24 4353902658784
25 15506654261088
26 55227768100832

List of values

[3, 2, 12, 40, 144, 512, 1824, 6496, 23136, 82400, 293472, 1045216, 3722592, 13258208, 47219808, 168175840, 598967136, 2133253088, 7597693536, 27059586784, 96374147424, 343241615840, 1222473142368, 4353902658784, 15506654261088, 55227768100832]