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.

A158757 Expansion of e.g.f. exp(t*x)/(1 - x^2/t^2 - t^3* x^3).

Table of values

n a(n)
0 1
1 0
2 0
3 1
4 2
5 0
6 0
7 0
8 1
9 0
10 0
11 6
12 0
13 0
14 0
15 7
16 24
17 0
18 0
19 0
20 12
21 0
22 0
23 0
24 25
25 0
26 0
27 120
28 0
29 0
30 0
31 260
32 0
33 0
34 0
35 61
36 720
37 0
38 0
39 0
40 360
41 0
42 0
43 0
44 1470
45 0
46 0
47 0
48 841
49 0
50 0
51 5040
52 0
53 0
54 0
55 15960
56 0
57 0
58 0
59 5082
60 0
61 0
62 0
63 5251
64 40320
65 0
66 0
67 0
68 20160
69 0
70 0
71 0
72 122640
73 0
74 0
75 0
76 134456
77 0
78 0
79 0
80 20497

List of values

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