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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.

A251065 T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with no 2X2 subblock having x11-x00 less than x10-x01.

Table of values

n a(n)
1 50
2 222
3 336
4 867
5 2740
6 2167
7 3123
8 17129
9 31895
10 14180
11 10660
12 89429
13 320950
14 379440
15 92429
16 35064
17 410718
18 2482824
19 6182747
20 4499219
21 603249
22 112373
23 1716324
24 15857764
25 71431719
26 119032248
27 53420941
28 3935721
29 353517
30 6678657
31 87634164

List of values

[50, 222, 336, 867, 2740, 2167, 3123, 17129, 31895, 14180, 10660, 89429, 320950, 379440, 92429, 35064, 410718, 2482824, 6182747, 4499219, 603249, 112373, 1716324, 15857764, 71431719, 119032248, 53420941, 3935721, 353517, 6678657, 87634164]

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

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