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.

A188392 T(n,k) = number of (n*k) X k binary arrays with rows in nonincreasing order and n ones in every column.

Table of values

n a(n)
1 1
2 2
3 1
4 5
5 3
6 1
7 15
8 16
9 4
10 1
11 52
12 139
13 39
14 5
15 1
16 203
17 1750
18 862
19 81
20 6
21 1
22 877
23 29388
24 35775
25 4079
26 150
27 7
28 1
29 4140
30 624889
31 2406208
32 507549
33 15791
34 256
35 8
36 1
37 21147
38 16255738
39 238773109
40 127126912
41 5442547
42 52450
43 410
44 9
45 1
46 115975
47 504717929
48 32867762616

List of values

[1, 2, 1, 5, 3, 1, 15, 16, 4, 1, 52, 139, 39, 5, 1, 203, 1750, 862, 81, 6, 1, 877, 29388, 35775, 4079, 150, 7, 1, 4140, 624889, 2406208, 507549, 15791, 256, 8, 1, 21147, 16255738, 238773109, 127126912, 5442547, 52450, 410, 9, 1, 115975, 504717929, 32867762616]