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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.

A362790 a(n) = Sum_{k=0..n} FallingFactorial(n - k, k) * Stirling2(n - k, k), row sums of A362789.

Table of values

n a(n)
0 1
1 0
2 1
3 2
4 5
5 22
6 95
7 450
8 2461
9 14654
10 93851
11 647746
12 4781801
13 37488462
14 310842127
15 2716308194
16 24929090357
17 239556785086
18 2404139609987
19 25139451248418
20 273330944247265
21 3084182865509966
22 36055337388402935
23 436016786153035522
24 5446585683469420205

List of values

[1, 0, 1, 2, 5, 22, 95, 450, 2461, 14654, 93851, 647746, 4781801, 37488462, 310842127, 2716308194, 24929090357, 239556785086, 2404139609987, 25139451248418, 273330944247265, 3084182865509966, 36055337388402935, 436016786153035522, 5446585683469420205]

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

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