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.

A127447 Triangle defined by the matrix product A127446 * A054521, read by rows 1<=k<=n.

Table of values

n a(n)
1 1
2 4
3 0
4 6
5 3
6 0
7 12
8 0
9 4
10 0
11 10
12 5
13 5
14 5
15 0
16 24
17 6
18 0
19 0
20 6
21 0
22 14
23 7
24 7
25 7
26 7
27 7
28 0
29 32
30 0
31 16
32 0
33 8
34 0
35 8
36 0
37 27
38 18
39 0
40 9
41 9
42 0
43 9
44 9
45 0
46 40
47 10
48 20
49 10
50 0
51 0
52 10
53 0
54 10
55 0
56 22
57 11
58 11
59 11
60 11
61 11
62 11
63 11
64 11
65 11
66 0
67 72
68 12
69 12
70 0
71 24
72 0

List of values

[1, 4, 0, 6, 3, 0, 12, 0, 4, 0, 10, 5, 5, 5, 0, 24, 6, 0, 0, 6, 0, 14, 7, 7, 7, 7, 7, 0, 32, 0, 16, 0, 8, 0, 8, 0, 27, 18, 0, 9, 9, 0, 9, 9, 0, 40, 10, 20, 10, 0, 0, 10, 0, 10, 0, 22, 11, 11, 11, 11, 11, 11, 11, 11, 11, 0, 72, 12, 12, 0, 24, 0]