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.

A273629 a(n) = (9*n)!/((7*n)!*n!^2).

Table of values

n a(n)
0 1
1 72
2 18360
3 5920200
4 2118223800
5 803927196072
6 316938365223480
7 128313095514575400
8 52976845635264939960
9 22204947580777261872000
10 9418997650746914743158360
11 4034374193416822645489549632
12 1741969558937890710303111545400

List of values

[1, 72, 18360, 5920200, 2118223800, 803927196072, 316938365223480, 128313095514575400, 52976845635264939960, 22204947580777261872000, 9418997650746914743158360, 4034374193416822645489549632, 1741969558937890710303111545400]