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.

A224354 Number of 3 X n 0..2 arrays with diagonals and antidiagonals unimodal and rows nondecreasing.

Table of values

n a(n)
1 27
2 216
3 788
4 2321
5 5840
6 13052
7 26610
8 50423
9 90012
10 152912
11 249120
12 391589
13 596768
14 885188
15 1282094
16 1818123
17 2530028
18 3461448
19 4663724
20 6196761
21 8129936
22 10543052
23 13527338
24 17186495
25 21637788
26 27013184
27 33460536
28 41144813
29 50249376

List of values

[27, 216, 788, 2321, 5840, 13052, 26610, 50423, 90012, 152912, 249120, 391589, 596768, 885188, 1282094, 1818123, 2530028, 3461448, 4663724, 6196761, 8129936, 10543052, 13527338, 17186495, 21637788, 27013184, 33460536, 41144813, 50249376]