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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.

A275652 a(n) = binomial(3*n,3*n/2)*binomial(2*n,n)*binomial(5*n/2,n/2)/binomial(n,n/2).

Table of values

n a(n)
0 1
1 10
2 300
3 11440
4 485100
5 21841260
6 1022041020
7 49128552000
8 2408829328620
9 119918393838100
10 6042249840712800
11 307438844121252480
12 15770112362658517500
13 814459593645444166560
14 42308586942403276440000
15 2208850973597860123741440
16 115825519836558228435979500

List of values

[1, 10, 300, 11440, 485100, 21841260, 1022041020, 49128552000, 2408829328620, 119918393838100, 6042249840712800, 307438844121252480, 15770112362658517500, 814459593645444166560, 42308586942403276440000, 2208850973597860123741440, 115825519836558228435979500]

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

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