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.

A357712 Square array T(n,k), n>=0, k>=0, read by antidiagonals, where column k is the expansion of e.g.f. cosh( sqrt(k) * log(1-x) ).

Table of values

n a(n)
0 1
1 1
2 0
3 1
4 0
5 0
6 1
7 0
8 1
9 0
10 1
11 0
12 2
13 3
14 0
15 1
16 0
17 3
18 6
19 12
20 0
21 1
22 0
23 4
24 9
25 26
26 60
27 0
28 1
29 0
30 5
31 12
32 42
33 140
34 360
35 0
36 1
37 0
38 6
39 15
40 60
41 240
42 896
43 2520
44 0
45 1
46 0
47 7
48 18
49 80
50 360
51 1614
52 6636
53 20160
54 0
55 1
56 0
57 8
58 21
59 102
60 500
61 2520
62 12474
63 55804
64 181440
65 0
66 1
67 0
68 9
69 24
70 126
71 660
72 3620
73 20160
74 108900
75 525168
76 1814400
77 0

List of values

[1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 2, 3, 0, 1, 0, 3, 6, 12, 0, 1, 0, 4, 9, 26, 60, 0, 1, 0, 5, 12, 42, 140, 360, 0, 1, 0, 6, 15, 60, 240, 896, 2520, 0, 1, 0, 7, 18, 80, 360, 1614, 6636, 20160, 0, 1, 0, 8, 21, 102, 500, 2520, 12474, 55804, 181440, 0, 1, 0, 9, 24, 126, 660, 3620, 20160, 108900, 525168, 1814400, 0]