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.

A266091 a(n) = Product_{k=0..n} (3*k)!/(n+k)!.

Table of values

n a(n)
0 1
1 3
2 15
3 126
4 1782
5 42471
6 1706562
7 115640460
8 13216815036
9 2548124192970
10 828751754742975
11 454739496669274500
12 420972227408592675000
13 657522745057190417409000
14 1732789066323343611643088400
15 7704900186426840030325195822560
16 57807195523790513335568376591463776

List of values

[1, 3, 15, 126, 1782, 42471, 1706562, 115640460, 13216815036, 2548124192970, 828751754742975, 454739496669274500, 420972227408592675000, 657522745057190417409000, 1732789066323343611643088400, 7704900186426840030325195822560, 57807195523790513335568376591463776]