cp's OEIS Frontend

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.

A224310 T(n,k)=Number of nXk 0..2 arrays with diagonals and rows unimodal and antidiagonals nondecreasing.

Table of values

n a(n)
1 3
2 9
3 9
4 22
5 54
6 27
7 46
8 218
9 324
10 81
11 86
12 698
13 1586
14 1944
15 243
16 148
17 1915
18 5996
19 11361
20 11664
21 729
22 239
23 4690
24 20214
25 45453
26 82700
27 69984
28 2187
29 367
30 10511
31 61953
32 164514
33 345875
34 615481
35 419904
36 6561
37 541
38 21919
39 174378
40 562760
41 1258372
42 2717759

List of values

[3, 9, 9, 22, 54, 27, 46, 218, 324, 81, 86, 698, 1586, 1944, 243, 148, 1915, 5996, 11361, 11664, 729, 239, 4690, 20214, 45453, 82700, 69984, 2187, 367, 10511, 61953, 164514, 345875, 615481, 419904, 6561, 541, 21919, 174378, 562760, 1258372, 2717759]