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.

A158785 Expansion of e.g.f.: exp(t*x)/(1 - x^2/t - t^3*x^3).

Table of values

n a(n)
0 1
1 0
2 1
3 2
4 0
5 0
6 1
7 0
8 6
9 0
10 0
11 7
12 24
13 0
14 0
15 12
16 0
17 0
18 25
19 0
20 120
21 0
22 0
23 260
24 0
25 0
26 61
27 720
28 0
29 0
30 360
31 0
32 0
33 1470
34 0
35 0
36 841
37 0
38 5040
39 0
40 0
41 15960
42 0
43 0
44 5082
45 0
46 0
47 5251
48 40320
49 0
50 0
51 20160
52 0
53 0
54 122640
55 0
56 0
57 134456
58 0
59 0
60 20497
61 0
62 362880
63 0
64 0
65 1512000

List of values

[1, 0, 1, 2, 0, 0, 1, 0, 6, 0, 0, 7, 24, 0, 0, 12, 0, 0, 25, 0, 120, 0, 0, 260, 0, 0, 61, 720, 0, 0, 360, 0, 0, 1470, 0, 0, 841, 0, 5040, 0, 0, 15960, 0, 0, 5082, 0, 0, 5251, 40320, 0, 0, 20160, 0, 0, 122640, 0, 0, 134456, 0, 0, 20497, 0, 362880, 0, 0, 1512000]