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.

A158782 Irregular triangle of coefficients of p(n, x) = (1 - x^2)^(n+1)*Sum_{j >= 0} (4*j+ 1)^n*x^(2*j), read by rows.

Table of values

n a(n)
0 1
1 1
2 0
3 3
4 1
5 0
6 22
7 0
8 9
9 1
10 0
11 121
12 0
13 235
14 0
15 27
16 1
17 0
18 620
19 0
20 3446
21 0
22 1996
23 0
24 81
25 1
26 0
27 3119
28 0
29 40314
30 0
31 63854
32 0
33 15349
34 0
35 243
36 1
37 0
38 15618
39 0
40 422087
41 0
42 1434812
43 0
44 963327
45 0
46 112546
47 0
48 729
49 1
50 0
51 78117
52 0
53 4157997
54 0
55 26672209
56 0
57 37898739
58 0
59 12960063
60 0
61 806047
62 0
63 2187

List of values

[1, 1, 0, 3, 1, 0, 22, 0, 9, 1, 0, 121, 0, 235, 0, 27, 1, 0, 620, 0, 3446, 0, 1996, 0, 81, 1, 0, 3119, 0, 40314, 0, 63854, 0, 15349, 0, 243, 1, 0, 15618, 0, 422087, 0, 1434812, 0, 963327, 0, 112546, 0, 729, 1, 0, 78117, 0, 4157997, 0, 26672209, 0, 37898739, 0, 12960063, 0, 806047, 0, 2187]