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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.

A269954 Triangle read by rows, T(n,k) = Sum_{j=0..n} C(-j,-n)*S1(j,k), S1 the Stirling cycle numbers A132393, for n>=0 and 0<=k<=n.

Table of values

n a(n)
0 1
1 0
2 1
3 0
4 0
5 1
6 0
7 1
8 1
9 1
10 0
11 2
12 5
13 3
14 1
15 0
16 9
17 20
18 17
19 6
20 1
21 0
22 44
23 109
24 100
25 45
26 10
27 1
28 0
29 265
30 689
31 694
32 355
33 100
34 15
35 1
36 0
37 1854
38 5053
39 5453
40 3094
41 1015
42 196
43 21
44 1
45 0
46 14833
47 42048
48 48082
49 29596
50 10899
51 2492
52 350
53 28
54 1

List of values

[1, 0, 1, 0, 0, 1, 0, 1, 1, 1, 0, 2, 5, 3, 1, 0, 9, 20, 17, 6, 1, 0, 44, 109, 100, 45, 10, 1, 0, 265, 689, 694, 355, 100, 15, 1, 0, 1854, 5053, 5453, 3094, 1015, 196, 21, 1, 0, 14833, 42048, 48082, 29596, 10899, 2492, 350, 28, 1]