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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.

A367369 a(n) = A340556(2*n, n), the central terms of the second order Eulerian numbers.

Table of values

n a(n)
0 1
1 1
2 22
3 1452
4 195800
5 44765000
6 15548960784
7 7634832149392
8 5036317938475648
9 4297211671488276816
10 4605775111899791292320
11 6058134671618508819536768
12 9595073255473201184093573376
13 18012849924775292436074080925056
14 39551575929026035832580350736305920

List of values

[1, 1, 22, 1452, 195800, 44765000, 15548960784, 7634832149392, 5036317938475648, 4297211671488276816, 4605775111899791292320, 6058134671618508819536768, 9595073255473201184093573376, 18012849924775292436074080925056, 39551575929026035832580350736305920]

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

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