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.

A301922 Regular triangle where T(n,k) is the number of unlabeled k-uniform hypergraphs spanning n vertices.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 2
6 1
7 1
8 7
9 3
10 1
11 1
12 23
13 29
14 4
15 1
16 1
17 122
18 2102
19 150
20 5
21 1
22 1
23 888
24 7011184
25 7013164
26 1037
27 6
28 1
29 1
30 11302
31 1788775603336
32 29281354507753848
33 1788782615612
34 12338
35 7
36 1
37 1
38 262322
39 53304526022885280592
40 234431745534048893449761040648512
41 234431745534048922729326772799024
42 53304527811667884902
43 274659
44 8
45 1

List of values

[1, 1, 1, 1, 2, 1, 1, 7, 3, 1, 1, 23, 29, 4, 1, 1, 122, 2102, 150, 5, 1, 1, 888, 7011184, 7013164, 1037, 6, 1, 1, 11302, 1788775603336, 29281354507753848, 1788782615612, 12338, 7, 1, 1, 262322, 53304526022885280592, 234431745534048893449761040648512, 234431745534048922729326772799024, 53304527811667884902, 274659, 8, 1]