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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.

A100733 a(n) = (4*n)!.

Table of values

n a(n)
0 1
1 24
2 40320
3 479001600
4 20922789888000
5 2432902008176640000
6 620448401733239439360000
7 304888344611713860501504000000
8 263130836933693530167218012160000000
9 371993326789901217467999448150835200000000
10 815915283247897734345611269596115894272000000000

List of values

[1, 24, 40320, 479001600, 20922789888000, 2432902008176640000, 620448401733239439360000, 304888344611713860501504000000, 263130836933693530167218012160000000, 371993326789901217467999448150835200000000, 815915283247897734345611269596115894272000000000]

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

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