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.

A306550 Array read by antidiagonals where A(n,k) is the number of labeled k-antichains covering n vertices.

Table of values

n a(n)
0 1
1 0
2 1
3 0
4 1
5 0
6 0
7 1
8 0
9 0
10 0
11 1
12 1
13 0
14 0
15 0
16 1
17 6
18 0
19 0
20 0
21 0
22 1
23 25
24 2
25 0
26 0
27 0
28 0
29 1
30 90
31 56
32 0
33 0
34 0
35 0
36 0
37 1
38 301
39 790
40 25
41 0
42 0
43 0
44 0
45 0
46 1
47 966
48 8380
49 1895
50 6
51 0
52 0
53 0
54 0
55 0
56 1
57 3025
58 76482
59 70370
60 2116
61 1
62 0
63 0
64 0
65 0

List of values

[1, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 6, 0, 0, 0, 0, 1, 25, 2, 0, 0, 0, 0, 1, 90, 56, 0, 0, 0, 0, 0, 1, 301, 790, 25, 0, 0, 0, 0, 0, 1, 966, 8380, 1895, 6, 0, 0, 0, 0, 0, 1, 3025, 76482, 70370, 2116, 1, 0, 0, 0, 0]