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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.

A352651 a(n) = ( binomial(5*n,2*n)*binomial(5*n/2,2*n)*binomial(2*n,n)^2 ) / binomial(5*n/2,n)^2.

Table of values

n a(n)
0 1
1 12
2 378
3 14700
4 629850
5 28540512
6 1341310320
7 64676424384
8 3178603964250
9 158529793422000
10 7999466594747628
11 407514796591710600
12 20924507330066816112
13 1081581197431986720000
14 56225684939117297889600
15 2937292879652230377427200
16 154108110471294720105987930

List of values

[1, 12, 378, 14700, 629850, 28540512, 1341310320, 64676424384, 3178603964250, 158529793422000, 7999466594747628, 407514796591710600, 20924507330066816112, 1081581197431986720000, 56225684939117297889600, 2937292879652230377427200, 154108110471294720105987930]

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

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