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.

A014298 a(n) = 2^n * (3n)! / (2n+1)!.

Table of values

n a(n)
0 1
1 2
2 24
3 576
4 21120
5 1048320
6 65802240
7 5000970240
8 446557224960
9 45830873088000
10 5316381278208000
11 687893507997696000
12 98231192942070988800
13 15345895252950201139200
14 2603510504983275503616000
15 476694375041453927694336000
16 93692112621783944697741312000

List of values

[1, 2, 24, 576, 21120, 1048320, 65802240, 5000970240, 446557224960, 45830873088000, 5316381278208000, 687893507997696000, 98231192942070988800, 15345895252950201139200, 2603510504983275503616000, 476694375041453927694336000, 93692112621783944697741312000]