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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.

A268246 T(n,k)=Number of nXk 0..k arrays with every repeated value in every row greater than or equal to, and every column greater than, the previous repeated value.

Table of values

n a(n)
1 2
2 9
3 4
4 64
5 81
6 6
7 615
8 4096
9 576
10 9
11 7536
12 378225
13 216000
14 3969
15 12
16 112476
17 56791296
18 197555340
19 10941048
20 25281
21 16
22 1981512
23 12650850576
24 371713931400
25 98956027822
26 519718464
27 155236
28 20
29 40265487
30 3926389806144
31 1257212773492866

List of values

[2, 9, 4, 64, 81, 6, 615, 4096, 576, 9, 7536, 378225, 216000, 3969, 12, 112476, 56791296, 197555340, 10941048, 25281, 16, 1981512, 12650850576, 371713931400, 98956027822, 519718464, 155236, 20, 40265487, 3926389806144, 1257212773492866]

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

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