cp's OEIS Frontend

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.

A166338 a(n) = (4*n)!/n!.

Table of values

n a(n)
0 1
1 24
2 20160
3 79833600
4 871782912000
5 20274183401472000
6 861733891296165888000
7 60493719168990845337600000
8 6526062423950732395020288000000
9 1025113885554181044609786839040000000
10 224844379201911853600532206127677440000000
11 66595307609539060446820030939720014888960000000

List of values

[1, 24, 20160, 79833600, 871782912000, 20274183401472000, 861733891296165888000, 60493719168990845337600000, 6526062423950732395020288000000, 1025113885554181044609786839040000000, 224844379201911853600532206127677440000000, 66595307609539060446820030939720014888960000000]

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

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