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.

A250759 Number of (4+1) X (n+1) 0..2 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing x(i,j)+x(i-1,j) in the j direction.

Table of values

n a(n)
1 1029
2 2361
3 4239
4 6663
5 9633
6 13149
7 17211
8 21819
9 26973
10 32673
11 38919
12 45711
13 53049
14 60933
15 69363
16 78339
17 87861
18 97929
19 108543
20 119703
21 131409
22 143661
23 156459
24 169803
25 183693
26 198129
27 213111
28 228639
29 244713
30 261333
31 278499
32 296211
33 314469

List of values

[1029, 2361, 4239, 6663, 9633, 13149, 17211, 21819, 26973, 32673, 38919, 45711, 53049, 60933, 69363, 78339, 87861, 97929, 108543, 119703, 131409, 143661, 156459, 169803, 183693, 198129, 213111, 228639, 244713, 261333, 278499, 296211, 314469]