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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.

A350558 a(n) = (n-1)!^(2n).

Table of values

n a(n)
1 1
2 1
3 64
4 1679616
5 63403380965376
6 8916100448256000000000000
7 10061319724179153710638694400000000000000
8 173335925289013982808975076100021379095592960000000000000000
9 79317573895713454077105543742169655162315106629579798748776628224000000000000000000

List of values

[1, 1, 64, 1679616, 63403380965376, 8916100448256000000000000, 10061319724179153710638694400000000000000, 173335925289013982808975076100021379095592960000000000000000, 79317573895713454077105543742169655162315106629579798748776628224000000000000000000]

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

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