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.

A006587 a(n) = 3*2^(2*n)*(3*n)!/((2*n)!*n!).

Table of values

n a(n)
0 3
1 36
2 720
3 16128
4 380160
5 9225216
6 228114432
7 5715394560
8 144599482368
9 3685869158400
10 94513444945920
11 2435255516528640
12 62999001405849600
13 1635260233414606848
14 42568679092062781440
15 1110895735754245275648

List of values

[3, 36, 720, 16128, 380160, 9225216, 228114432, 5715394560, 144599482368, 3685869158400, 94513444945920, 2435255516528640, 62999001405849600, 1635260233414606848, 42568679092062781440, 1110895735754245275648]