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.

A127506 Triangle read by rows: T(n,k) = A054521(n,k)*A000010(k), 1<=k<=n .

Table of values

n a(n)
1 1
2 1
3 0
4 1
5 1
6 0
7 1
8 0
9 2
10 0
11 1
12 1
13 2
14 2
15 0
16 1
17 0
18 0
19 0
20 4
21 0
22 1
23 1
24 2
25 2
26 4
27 2
28 0
29 1
30 0
31 2
32 0
33 4
34 0
35 6
36 0
37 1
38 1
39 0
40 2
41 4
42 0
43 6
44 4
45 0
46 1
47 0
48 2
49 0
50 0
51 0
52 6
53 0
54 6
55 0

List of values

[1, 1, 0, 1, 1, 0, 1, 0, 2, 0, 1, 1, 2, 2, 0, 1, 0, 0, 0, 4, 0, 1, 1, 2, 2, 4, 2, 0, 1, 0, 2, 0, 4, 0, 6, 0, 1, 1, 0, 2, 4, 0, 6, 4, 0, 1, 0, 2, 0, 0, 0, 6, 0, 6, 0]