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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.

A229345 Number A(n,k) of lattice paths from {n}^k to {0}^k using steps that decrement one component or all components by the same positive integer; square array A(n,k), n>=0, k>=0, read by antidiagonals.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 1
6 1
7 3
8 2
9 1
10 1
11 7
12 22
13 4
14 1
15 1
16 25
17 248
18 188
19 8
20 1
21 1
22 121
23 6506
24 11380
25 1712
26 16
27 1
28 1
29 721
30 292442
31 2359348
32 577124
33 16098
34 32
35 1
36 1
37 5041
38 19450082
39 1088626684
40 991365512
41 30970588
42 154352
43 64
44 1

List of values

[1, 1, 1, 1, 1, 1, 1, 3, 2, 1, 1, 7, 22, 4, 1, 1, 25, 248, 188, 8, 1, 1, 121, 6506, 11380, 1712, 16, 1, 1, 721, 292442, 2359348, 577124, 16098, 32, 1, 1, 5041, 19450082, 1088626684, 991365512, 30970588, 154352, 64, 1]