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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.

A127470 Triangle equal to the matrix product A127466 * A051731.

Table of values

n a(n)
1 1
2 4
3 2
4 9
5 0
6 6
7 16
8 12
9 0
10 8
11 25
12 0
13 0
14 0
15 20
16 36
17 18
18 24
19 0
20 0
21 12
22 49
23 0
24 0
25 0
26 0
27 0
28 42
29 64
30 56
31 0
32 48
33 0
34 0
35 0
36 32
37 81
38 0
39 72
40 0
41 0
42 0
43 0
44 0
45 54
46 100
47 50
48 0
49 0
50 80
51 0
52 0
53 0
54 0
55 40
56 121
57 0
58 0
59 0
60 0
61 0
62 0
63 0
64 0
65 0
66 110
67 144
68 108
69 96
70 72
71 0
72 72
73 0
74 0
75 0
76 0
77 0
78 48

List of values

[1, 4, 2, 9, 0, 6, 16, 12, 0, 8, 25, 0, 0, 0, 20, 36, 18, 24, 0, 0, 12, 49, 0, 0, 0, 0, 0, 42, 64, 56, 0, 48, 0, 0, 0, 32, 81, 0, 72, 0, 0, 0, 0, 0, 54, 100, 50, 0, 0, 80, 0, 0, 0, 0, 40, 121, 0, 0, 0, 0, 0, 0, 0, 0, 0, 110, 144, 108, 96, 72, 0, 72, 0, 0, 0, 0, 0, 48]

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