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.

A376487 G.f. satisfies A(x) = 1 / (1 - x^4*A(x)^4 * (1 + x)).

Table of values

n a(n)
0 1
1 0
2 0
3 0
4 1
5 1
6 0
7 0
8 5
9 10
10 5
11 0
12 35
13 105
14 105
15 35
16 285
17 1140
18 1710
19 1140
20 2815
21 12650
22 25300
23 25300
24 36401
25 145036
26 356265
27 475020
28 588145
29 1765666
30 4893231
31 8115800
32 10446245
33 23513040
34 66875620
35 130736800
36 187081505
37 346058115
38 927465240

List of values

[1, 0, 0, 0, 1, 1, 0, 0, 5, 10, 5, 0, 35, 105, 105, 35, 285, 1140, 1710, 1140, 2815, 12650, 25300, 25300, 36401, 145036, 356265, 475020, 588145, 1765666, 4893231, 8115800, 10446245, 23513040, 66875620, 130736800, 187081505, 346058115, 927465240]