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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.

A201637 Triangle of second-order Eulerian numbers T(n,k) (n>=0, 0 <= k <= n) read by rows.

Table of values

n a(n)
0 1
1 1
2 0
3 1
4 2
5 0
6 1
7 8
8 6
9 0
10 1
11 22
12 58
13 24
14 0
15 1
16 52
17 328
18 444
19 120
20 0
21 1
22 114
23 1452
24 4400
25 3708
26 720
27 0
28 1
29 240
30 5610
31 32120
32 58140
33 33984
34 5040
35 0
36 1
37 494
38 19950
39 195800
40 644020
41 785304
42 341136
43 40320
44 0
45 1
46 1004
47 67260
48 1062500
49 5765500
50 12440064
51 11026296
52 3733920
53 362880
54 0

List of values

[1, 1, 0, 1, 2, 0, 1, 8, 6, 0, 1, 22, 58, 24, 0, 1, 52, 328, 444, 120, 0, 1, 114, 1452, 4400, 3708, 720, 0, 1, 240, 5610, 32120, 58140, 33984, 5040, 0, 1, 494, 19950, 195800, 644020, 785304, 341136, 40320, 0, 1, 1004, 67260, 1062500, 5765500, 12440064, 11026296, 3733920, 362880, 0]