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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.

A354797 Triangle read by rows. T(n, k) = |Stirling1(n, k)| * Stirling2(n + k, n) = A132393(n, k) * A048993(n + k, n).

Table of values

n a(n)
0 1
1 0
2 1
3 0
4 3
5 7
6 0
7 12
8 75
9 90
10 0
11 60
12 715
13 2100
14 1701
15 0
16 360
17 7000
18 36750
19 69510
20 42525
21 0
22 2520
23 72884
24 595350
25 1940295
26 2692305
27 1323652
28 0
29 20160
30 814968
31 9549120
32 47030445
33 109794300
34 120023904
35 49329280
36 0
37 181440
38 9801000
39 156008160
40 1076453763
41 3723239520
42 6733767040
43 6065579520
44 2141764053

List of values

[1, 0, 1, 0, 3, 7, 0, 12, 75, 90, 0, 60, 715, 2100, 1701, 0, 360, 7000, 36750, 69510, 42525, 0, 2520, 72884, 595350, 1940295, 2692305, 1323652, 0, 20160, 814968, 9549120, 47030445, 109794300, 120023904, 49329280, 0, 181440, 9801000, 156008160, 1076453763, 3723239520, 6733767040, 6065579520, 2141764053]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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