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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.

A059202 Triangle T(n,m) of numbers of m-block T_0-covers of a labeled n-set, m = 0..2^n - 1.

Table of values

n a(n)
0 1
1 0
2 1
3 0
4 0
5 3
6 1
7 0
8 0
9 3
10 29
11 35
12 21
13 7
14 1
15 0
16 0
17 0
18 140
19 1015
20 2793
21 4935
22 6425
23 6435
24 5005
25 3003
26 1365
27 455
28 105
29 15
30 1
31 0
32 0
33 0
34 420
35 13965
36 126651
37 661801
38 2533135
39 7792200
40 20085000
41 44307120
42 84651840
43 141113700
44 206251500
45 265182300

List of values

[1, 0, 1, 0, 0, 3, 1, 0, 0, 3, 29, 35, 21, 7, 1, 0, 0, 0, 140, 1015, 2793, 4935, 6425, 6435, 5005, 3003, 1365, 455, 105, 15, 1, 0, 0, 0, 420, 13965, 126651, 661801, 2533135, 7792200, 20085000, 44307120, 84651840, 141113700, 206251500, 265182300]