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.

A122012 G.f.: x^2*(3+3*x-2*x^2)/ ( (x^2-x-1) * (x^2+x-1)).

Table of values

n a(n)
1 0
2 3
3 3
4 7
5 9
6 18
7 24
8 47
9 63
10 123
11 165
12 322
13 432
14 843
15 1131
16 2207
17 2961
18 5778
19 7752
20 15127
21 20295
22 39603
23 53133
24 103682
25 139104
26 271443
27 364179
28 710647
29 953433
30 1860498
31 2496120
32 4870847
33 6534927
34 12752043
35 17108661
36 33385282
37 44791056

List of values

[0, 3, 3, 7, 9, 18, 24, 47, 63, 123, 165, 322, 432, 843, 1131, 2207, 2961, 5778, 7752, 15127, 20295, 39603, 53133, 103682, 139104, 271443, 364179, 710647, 953433, 1860498, 2496120, 4870847, 6534927, 12752043, 17108661, 33385282, 44791056]