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.

A216629 a(n) = A163085(n)/(floor(n/2)!)^2.

Table of values

n a(n)
0 1
1 1
2 2
3 12
4 18
5 540
6 1200
7 168000
8 735000
9 463050000
10 4667544000
11 12938431968000
12 332086420512000
13 3989022083190144000
14 279394363051195392000
15 14383221809875538780160000
16 2892376010829659126572800000
17 632822947409421120302862912000000

List of values

[1, 1, 2, 12, 18, 540, 1200, 168000, 735000, 463050000, 4667544000, 12938431968000, 332086420512000, 3989022083190144000, 279394363051195392000, 14383221809875538780160000, 2892376010829659126572800000, 632822947409421120302862912000000]

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

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