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.

A072110 a(n) = 4*a(n-1) - a(n-2) - 2, with a(0)=1, a(1)=2.

Table of values

n a(n)
0 1
1 2
2 5
3 16
4 57
5 210
6 781
7 2912
8 10865
9 40546
10 151317
11 564720
12 2107561
13 7865522
14 29354525
15 109552576
16 408855777
17 1525870530
18 5694626341
19 21252634832
20 79315912985
21 296011017106
22 1104728155437
23 4122901604640
24 15386878263121

List of values

[1, 2, 5, 16, 57, 210, 781, 2912, 10865, 40546, 151317, 564720, 2107561, 7865522, 29354525, 109552576, 408855777, 1525870530, 5694626341, 21252634832, 79315912985, 296011017106, 1104728155437, 4122901604640, 15386878263121]