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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.

A357868 Square array T(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where T(n,k) = Sum_{j=0..n} (k*j)!* Stirling2(n,k*j).

Table of values

n a(n)
0 1
1 1
2 0
3 1
4 1
5 0
6 1
7 0
8 3
9 0
10 1
11 0
12 2
13 13
14 0
15 1
16 0
17 0
18 6
19 75
20 0
21 1
22 0
23 0
24 6
25 38
26 541
27 0
28 1
29 0
30 0
31 0
32 36
33 270
34 4683
35 0
36 1
37 0
38 0
39 0
40 24
41 150
42 2342
43 47293
44 0
45 1
46 0
47 0
48 0
49 0
50 240
51 1260
52 23646
53 545835
54 0
55 1
56 0
57 0
58 0
59 0
60 120
61 1560
62 16926
63 272918
64 7087261
65 0
66 1
67 0
68 0
69 0
70 0
71 0
72 1800
73 8400
74 197316
75 3543630
76 102247563
77 0

List of values

[1, 1, 0, 1, 1, 0, 1, 0, 3, 0, 1, 0, 2, 13, 0, 1, 0, 0, 6, 75, 0, 1, 0, 0, 6, 38, 541, 0, 1, 0, 0, 0, 36, 270, 4683, 0, 1, 0, 0, 0, 24, 150, 2342, 47293, 0, 1, 0, 0, 0, 0, 240, 1260, 23646, 545835, 0, 1, 0, 0, 0, 0, 120, 1560, 16926, 272918, 7087261, 0, 1, 0, 0, 0, 0, 0, 1800, 8400, 197316, 3543630, 102247563, 0]