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.

A001882 a(2n) = a(2n-1) + 2a(2n-2), a(2n+1) = a(2n) + a(2n-1), with a(1) = 2 and a(2) = 3.

Table of values

n a(n)
1 2
2 3
3 5
4 11
5 16
6 38
7 54
8 130
9 184
10 444
11 628
12 1516
13 2144
14 5176
15 7320
16 17672
17 24992
18 60336
19 85328
20 206000
21 291328
22 703328
23 994656
24 2401312
25 3395968
26 8198592
27 11594560
28 27991744
29 39586304
30 95569792
31 135156096
32 326295680
33 461451776
34 1114043136
35 1575494912

List of values

[2, 3, 5, 11, 16, 38, 54, 130, 184, 444, 628, 1516, 2144, 5176, 7320, 17672, 24992, 60336, 85328, 206000, 291328, 703328, 994656, 2401312, 3395968, 8198592, 11594560, 27991744, 39586304, 95569792, 135156096, 326295680, 461451776, 1114043136, 1575494912]