A182400 - cp's OEIS frontend

A182400 Integral factorial ratio sequence: a(n) = (2n)!(8n)!/(n!(4n)!(5*n)!).

n	a(n)
0	1
1	28
2	1716
3	118864
4	8684340
5	653817528
6	50181947376
7	3903669874104
8	306689672988468
9	24278779897856848
10	1933612147959994216
11	154751222973374578656
12	12435284300689518633456
13	1002664938117354309314220
14	81080672610600385236492840
15	6573062133232532447808798864

[1, 28, 1716, 118864, 8684340, 653817528, 50181947376, 3903669874104, 306689672988468, 24278779897856848, 1933612147959994216, 154751222973374578656, 12435284300689518633456, 1002664938117354309314220, 81080672610600385236492840, 6573062133232532447808798864]

cp's OEIS Frontend

A182400 Integral factorial ratio sequence: a(n) = (2n)!(8n)!/(n!(4n)!(5*n)!).

Table of values

List of values

cp's OEIS Frontend

A182400 Integral factorial ratio sequence: a(n) = (2*n)!*(8*n)!/(n!*(4*n)!*(5*n)!).

Table of values

List of values

A182400 Integral factorial ratio sequence: a(n) = (2n)!(8n)!/(n!(4n)!(5*n)!).