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.

A321256 Regular triangle where T(n,k) is the number of non-isomorphic connected set systems of weight n with density -1 <= k <= n-2.

Table of values

n a(n)
1 1
2 1
3 0
4 2
5 0
6 0
7 4
8 0
9 0
10 0
11 6
12 1
13 0
14 0
15 0
16 13
17 5
18 0
19 0
20 0
21 0
22 23
23 12
24 2
25 0
26 0
27 0
28 0
29 49
30 36
31 11
32 0
33 0
34 0
35 0
36 0
37 100
38 95
39 39
40 5
41 0
42 0
43 0
44 0
45 0
46 220
47 262
48 143
49 32
50 1
51 0
52 0
53 0
54 0
55 0

List of values

[1, 1, 0, 2, 0, 0, 4, 0, 0, 0, 6, 1, 0, 0, 0, 13, 5, 0, 0, 0, 0, 23, 12, 2, 0, 0, 0, 0, 49, 36, 11, 0, 0, 0, 0, 0, 100, 95, 39, 5, 0, 0, 0, 0, 0, 220, 262, 143, 32, 1, 0, 0, 0, 0, 0]