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.

A129239 Triangle read by rows: A054521 * A129234 as infinite lower triangular matrices.

Table of values

n a(n)
1 1
2 1
3 0
4 3
5 2
6 0
7 4
8 0
9 3
10 0
11 10
12 5
13 3
14 4
15 0
16 6
17 0
18 0
19 0
20 5
21 0
22 21
23 9
24 7
25 4
26 5
27 6
28 0
29 16
30 0
31 3
32 0
33 5
34 0
35 7
36 0
37 27
38 10
39 0
40 9
41 5
42 0
43 7
44 8
45 0
46 20
47 0
48 8
49 0
50 0
51 0
52 7
53 0
54 9
55 0
56 55
57 20
58 12
59 9
60 11
61 6
62 7
63 8
64 9
65 10
66 0
67 24
68 0
69 0
70 0
71 5
72 0
73 7
74 0
75 0
76 0
77 11
78 0
79 78
80 27
81 18
82 15
83 11
84 13
85 7
86 8
87 9
88 10
89 11
90 12
91 0

List of values

[1, 1, 0, 3, 2, 0, 4, 0, 3, 0, 10, 5, 3, 4, 0, 6, 0, 0, 0, 5, 0, 21, 9, 7, 4, 5, 6, 0, 16, 0, 3, 0, 5, 0, 7, 0, 27, 10, 0, 9, 5, 0, 7, 8, 0, 20, 0, 8, 0, 0, 0, 7, 0, 9, 0, 55, 20, 12, 9, 11, 6, 7, 8, 9, 10, 0, 24, 0, 0, 0, 5, 0, 7, 0, 0, 0, 11, 0, 78, 27, 18, 15, 11, 13, 7, 8, 9, 10, 11, 12, 0]