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.

A365985 Triangular array read by rows: T(n,k) is the number of binary relations on [n] that are dense (A355730) and have exactly k strongly connected components, n>=0, 0<=k<=n.

Table of values

n a(n)
0 1
1 0
2 2
3 0
4 3
5 10
6 0
7 85
8 114
9 134
10 0
11 13317
12 10029
13 6972
14 4606
15 0
16 8300125
17 4026580
18 1756610
19 866300
20 389882
21 0
22 19743155103
23 6020248905
24 1736497215
25 589363590
26 231745290
27 78631330

List of values

[1, 0, 2, 0, 3, 10, 0, 85, 114, 134, 0, 13317, 10029, 6972, 4606, 0, 8300125, 4026580, 1756610, 866300, 389882, 0, 19743155103, 6020248905, 1736497215, 589363590, 231745290, 78631330]