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.

A052737 a(n) = ((2*n)!/n!)*2^(2*n+1).

Table of values

n a(n)
0 0
1 2
2 16
3 384
4 15360
5 860160
6 61931520
7 5449973760
8 566797271040
9 68015672524800
10 9250131463372800
11 1406019982432665600
12 236211357048687820800
13 43462889696958559027200
14 8692577939391711805440000
15 1877596834908609749975040000
16 435602465698797461994209280000

List of values

[0, 2, 16, 384, 15360, 860160, 61931520, 5449973760, 566797271040, 68015672524800, 9250131463372800, 1406019982432665600, 236211357048687820800, 43462889696958559027200, 8692577939391711805440000, 1877596834908609749975040000, 435602465698797461994209280000]