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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.

A224204 T(n,k)=Number of nXk 0..3 arrays with rows unimodal and antidiagonals nondecreasing.

Table of values

n a(n)
1 4
2 16
3 16
4 50
5 160
6 64
7 130
8 984
9 1600
10 256
11 296
12 4580
13 16060
14 16000
15 1024
16 610
17 17723
18 108625
19 263516
20 160000
21 4096
22 1163
23 59792
24 586343
25 2411246
26 4357084
27 1600000
28 16384
29 2083
30 180821
31 2734683
32 16355242
33 54177872
34 72105068
35 16000000
36 65536

List of values

[4, 16, 16, 50, 160, 64, 130, 984, 1600, 256, 296, 4580, 16060, 16000, 1024, 610, 17723, 108625, 263516, 160000, 4096, 1163, 59792, 586343, 2411246, 4357084, 1600000, 16384, 2083, 180821, 2734683, 16355242, 54177872, 72105068, 16000000, 65536]

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

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