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.

A370054 a(n) = 2*(3*n+1)!/(2*n+2)!.

Table of values

n a(n)
0 1
1 2
2 14
3 180
4 3432
5 87360
6 2790720
7 107442720
8 4845456000
9 250637587200
10 14631376032000
11 951675588864000
12 68257101465907200
13 5352223511771136000
14 455529588681155788800
15 41824228767217408512000
16 4120692998969056333824000
17 433653882272457833226240000

List of values

[1, 2, 14, 180, 3432, 87360, 2790720, 107442720, 4845456000, 250637587200, 14631376032000, 951675588864000, 68257101465907200, 5352223511771136000, 455529588681155788800, 41824228767217408512000, 4120692998969056333824000, 433653882272457833226240000]