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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.

A224281 T(n,k)=Number of nXk 0..3 arrays with diagonals and 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 13683
14 16000
15 1024
16 610
17 17723
18 84132
19 186516
20 160000
21 4096
22 1163
23 59792
24 442089
25 1334973
26 2596992
27 1600000
28 16384
29 2083
30 180821
31 2059793
32 8073038
33 21348990
34 37128051
35 16000000
36 65536
37 3544

List of values

[4, 16, 16, 50, 160, 64, 130, 984, 1600, 256, 296, 4580, 13683, 16000, 1024, 610, 17723, 84132, 186516, 160000, 4096, 1163, 59792, 442089, 1334973, 2596992, 1600000, 16384, 2083, 180821, 2059793, 8073038, 21348990, 37128051, 16000000, 65536, 3544]

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

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