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.

A250752 Number of (n+1) X (5+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)
1 294
2 957
3 3066
4 9633
5 29814
6 91317
7 277746
8 840873
9 2537934
10 7644477
11 22994826
12 69107313
13 207567654
14 623194437
15 1870566306
16 5613664953
17 16844926974
18 50542645197
19 151643664186
20 454962449793
21 1364950263894
22 4094976620757

List of values

[294, 957, 3066, 9633, 29814, 91317, 277746, 840873, 2537934, 7644477, 22994826, 69107313, 207567654, 623194437, 1870566306, 5613664953, 16844926974, 50542645197, 151643664186, 454962449793, 1364950263894, 4094976620757]