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.

A145352 Triangle read by rows, A054525 * A157497.

Table of values

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

List of values

[1, 0, 2, 0, 0, 3, 0, 2, 0, 4, 0, 0, 0, 0, 5, 0, 4, 6, 0, 0, 6, 0, 0, 0, 0, 0, 0, 7, 0, 4, 0, 12, 0, 0, 0, 8, 0, 0, 15, 0, 0, 0, 0, 0, 9, 0, 8, 0, 0, 20, 0, 0, 0, 0, 10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 11, 0, 4, 21, 36, 0, 30, 0, 0, 0, 0, 0, 12]