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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.

A264704 T(n,k)=Number of nXk arrays of permutations of 0..n*k-1 with rows nondecreasing modulo 2 and columns nondecreasing modulo 6.

Table of values

n a(n)
1 1
2 1
3 1
4 2
5 3
6 1
7 4
8 15
9 6
10 1
11 12
12 212
13 296
14 36
15 1
16 36
17 3712
18 26304
19 9024
20 288
21 1
22 144
23 96256
24 4689792
25 7708608
26 492480
27 2240
28 2
29 576
30 3423168
31 1263257856
32 15216574464
33 4137827328
34 30233088
35 20736
36 4
37 2880
38 158521536
39 603321053184

List of values

[1, 1, 1, 2, 3, 1, 4, 15, 6, 1, 12, 212, 296, 36, 1, 36, 3712, 26304, 9024, 288, 1, 144, 96256, 4689792, 7708608, 492480, 2240, 2, 576, 3423168, 1263257856, 15216574464, 4137827328, 30233088, 20736, 4, 2880, 158521536, 603321053184]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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