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.

A006473 a(n) = binomial(n,2)!/n!.

Table of values

n a(n)
3 1
4 30
5 30240
6 1816214400
7 10137091700736000
8 7561714896123855667200000
9 1025113885554181044609786839040000000
10 32964677266721834921175915315161407370035200000000
11 318071672921132854486459356650996997744817246158245068800000000000

List of values

[1, 30, 30240, 1816214400, 10137091700736000, 7561714896123855667200000, 1025113885554181044609786839040000000, 32964677266721834921175915315161407370035200000000, 318071672921132854486459356650996997744817246158245068800000000000]