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.

A036687 a(n) = Product_{i=0..n} (3*i+1)! / (n+i)!.

Table of values

n a(n)
0 1
1 12
2 420
3 35280
4 6486480
5 2473511040
6 1888413246720
7 2815188363187200
8 8043859365429888000
9 43422645527382401280000
10 437806134821131674998400000
11 8167684917019434265210752000000
12 279763767797866931083907001600000000
13 17478686582471797472931336490014720000000

List of values

[1, 12, 420, 35280, 6486480, 2473511040, 1888413246720, 2815188363187200, 8043859365429888000, 43422645527382401280000, 437806134821131674998400000, 8167684917019434265210752000000, 279763767797866931083907001600000000, 17478686582471797472931336490014720000000]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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