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.

A228080 (5*n+2)!/(2*(n!)^5), n >= 0.

Table of values

n a(n)
0 1
1 2520
2 7484400
3 22870848000
4 70579794285000
5 218799620836917120
6 679953587124305894400
7 2116187746296592370688000
8 6592431144164903462359935000
9 20550499897066845200729434200000
10 64091912654977017603465324370118400
11 199956261330234671205699024876891648000

List of values

[1, 2520, 7484400, 22870848000, 70579794285000, 218799620836917120, 679953587124305894400, 2116187746296592370688000, 6592431144164903462359935000, 20550499897066845200729434200000, 64091912654977017603465324370118400, 199956261330234671205699024876891648000]