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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.

A091033 Third column (k=4) of array A090438 ((4,2)-Stirling2).

Table of values

n a(n)
2 1
3 180
4 25200
5 4233600
6 898128000
7 239740300800
8 79332244992000
9 32011868528640000
10 15509750302126080000
11 8898339094906060800000
12 5971815866682429603840000
13 4637851802955964809216000000

List of values

[1, 180, 25200, 4233600, 898128000, 239740300800, 79332244992000, 32011868528640000, 15509750302126080000, 8898339094906060800000, 5971815866682429603840000, 4637851802955964809216000000]

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

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