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.

A006588 a(n) = 4^n*(3*n)!/((2*n)!*n!).

Table of values

n a(n)
0 1
1 12
2 240
3 5376
4 126720
5 3075072
6 76038144
7 1905131520
8 48199827456
9 1228623052800
10 31504481648640
11 811751838842880
12 20999667135283200
13 545086744471535616
14 14189559697354260480
15 370298578584748425216
16 9684502341534993088512
17 253765034617761850982400

List of values

[1, 12, 240, 5376, 126720, 3075072, 76038144, 1905131520, 48199827456, 1228623052800, 31504481648640, 811751838842880, 20999667135283200, 545086744471535616, 14189559697354260480, 370298578584748425216, 9684502341534993088512, 253765034617761850982400]