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.

A128588 Expansion of g.f. x*(1+x+x^2)/(1-x-x^2).

Table of values

n a(n)
1 1
2 2
3 4
4 6
5 10
6 16
7 26
8 42
9 68
10 110
11 178
12 288
13 466
14 754
15 1220
16 1974
17 3194
18 5168
19 8362
20 13530
21 21892
22 35422
23 57314
24 92736
25 150050
26 242786
27 392836
28 635622
29 1028458
30 1664080
31 2692538
32 4356618
33 7049156
34 11405774
35 18454930
36 29860704
37 48315634
38 78176338

List of values

[1, 2, 4, 6, 10, 16, 26, 42, 68, 110, 178, 288, 466, 754, 1220, 1974, 3194, 5168, 8362, 13530, 21892, 35422, 57314, 92736, 150050, 242786, 392836, 635622, 1028458, 1664080, 2692538, 4356618, 7049156, 11405774, 18454930, 29860704, 48315634, 78176338]