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.

A052960 Expansion of ( 1-x-x^2 ) / ( 1-2*x-2*x^2+x^3+x^4 ).

Table of values

n a(n)
0 1
1 1
2 3
3 7
4 18
5 46
6 118
7 303
8 778
9 1998
10 5131
11 13177
12 33840
13 86905
14 223182
15 573157
16 1471933
17 3780093
18 9707713
19 24930522
20 64024444
21 164422126
22 422254905
23 1084399096
24 2784861432
25 7151844025
26 18366756913
27 47167941348
28 121132691065

List of values

[1, 1, 3, 7, 18, 46, 118, 303, 778, 1998, 5131, 13177, 33840, 86905, 223182, 573157, 1471933, 3780093, 9707713, 24930522, 64024444, 164422126, 422254905, 1084399096, 2784861432, 7151844025, 18366756913, 47167941348, 121132691065]