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.

A384642 Expansion of (1+x-x^2+x^3) / (1-x-5*x^2+x^3+2*x^4).

Table of values

n a(n)
0 1
1 2
2 6
3 16
4 42
5 112
6 294
7 780
8 2054
9 5436
10 14338
11 37904
12 100050
13 264360
14 698030
15 1843972
16 4869662
17 12862772
18 33971050
19 89727304
20 236980458
21 625920384
22 1653153270
23 4366320124
24 11532205174
25 30458811756
26 80447210962
27 212476424320
28 561189257026
29 1482206544152

List of values

[1, 2, 6, 16, 42, 112, 294, 780, 2054, 5436, 14338, 37904, 100050, 264360, 698030, 1843972, 4869662, 12862772, 33971050, 89727304, 236980458, 625920384, 1653153270, 4366320124, 11532205174, 30458811756, 80447210962, 212476424320, 561189257026, 1482206544152]