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.

A159285 Expansion of (1+3*x)/(1-x^2-2*x^3).

Table of values

n a(n)
0 1
1 3
2 1
3 5
4 7
5 7
6 17
7 21
8 31
9 55
10 73
11 117
12 183
13 263
14 417
15 629
16 943
17 1463
18 2201
19 3349
20 5127
21 7751
22 11825
23 18005
24 27327
25 41655
26 63337
27 96309
28 146647
29 222983
30 339265
31 516277
32 785231
33 1194807
34 1817785
35 2765269
36 4207399
37 6400839
38 9737937
39 14815637

List of values

[1, 3, 1, 5, 7, 7, 17, 21, 31, 55, 73, 117, 183, 263, 417, 629, 943, 1463, 2201, 3349, 5127, 7751, 11825, 18005, 27327, 41655, 63337, 96309, 146647, 222983, 339265, 516277, 785231, 1194807, 1817785, 2765269, 4207399, 6400839, 9737937, 14815637]