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.

A384600 Expansion of (1+x-x^2) / (1-x-4*x^2+2*x^3+2*x^4).

Table of values

n a(n)
0 1
1 2
2 5
3 11
4 25
5 55
6 123
7 271
8 603
9 1331
10 2955
11 6531
12 14483
13 32035
14 70995
15 157107
16 348051
17 770419
18 1706419
19 3777779
20 8366515
21 18523955
22 41021619
23 90828851
24 201134387
25 445358643
26 986195251
27 2183703347
28 4835498291
29 10707203891
30 23709399859
31 52499812147

List of values

[1, 2, 5, 11, 25, 55, 123, 271, 603, 1331, 2955, 6531, 14483, 32035, 70995, 157107, 348051, 770419, 1706419, 3777779, 8366515, 18523955, 41021619, 90828851, 201134387, 445358643, 986195251, 2183703347, 4835498291, 10707203891, 23709399859, 52499812147]