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.

A372184 a(n) = 2^(1-3*n)*((2*n)!)^2/n.

Table of values

n a(n)
1 1
2 9
3 675
4 198450
5 160744500
6 291751267500
7 1035425248357500
8 6523179064652250000
9 67867154988642009000000
10 1102501932790489436205000000
11 26741184379833321275152275000000
12 933641711437500579000666529350000000
13 45515033432578153226282493305812500000000

List of values

[1, 9, 675, 198450, 160744500, 291751267500, 1035425248357500, 6523179064652250000, 67867154988642009000000, 1102501932790489436205000000, 26741184379833321275152275000000, 933641711437500579000666529350000000, 45515033432578153226282493305812500000000]

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

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