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.

A361031 a(n) = (3^3)*(1*2*4*5*7*8*10*11)*(3*n)!/(n!*(n+4)!^2).

Table of values

n a(n)
0 11550
1 2772
2 4620
3 15840
4 81675
5 550550
6 4492488
7 42325920
8 446185740
9 5148297000
10 63985977000
11 846321189120
12 11802213457650
13 172255143129300
14 2615726247519000
15 41127042052404000
16 666874986879730860
17 11114583114662181000
18 189866473537245687000
19 3316382259894423720000

List of values

[11550, 2772, 4620, 15840, 81675, 550550, 4492488, 42325920, 446185740, 5148297000, 63985977000, 846321189120, 11802213457650, 172255143129300, 2615726247519000, 41127042052404000, 666874986879730860, 11114583114662181000, 189866473537245687000, 3316382259894423720000]