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.

A128619 Triangle T(n, k) = A127647(n,k) * A128174(n,k), read by rows.

Table of values

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

List of values

[1, 0, 1, 2, 0, 2, 0, 3, 0, 3, 5, 0, 5, 0, 5, 0, 8, 0, 8, 0, 8, 13, 0, 13, 0, 13, 0, 13, 0, 21, 0, 21, 0, 21, 0, 21, 34, 0, 34, 0, 34, 0, 34, 0, 34, 0, 55, 0, 55, 0, 55, 0, 55, 0, 55]