A364304 - cp's OEIS frontend

A364304 a(n) = (7n)!(9n/2)!(5n/2)!/((5n)!(7n/2)!^2*n!^2).

n	a(n)
0	1
1	54
2	10296
3	2484000
4	665091000
5	188907932304
6	55737530929080
7	16888537352985408
8	5218680924762089400
9	1637124203403474142500
10	519752205290081232622296
11	166620892958456148158454144
12	53846423260084127389865311800

[1, 54, 10296, 2484000, 665091000, 188907932304, 55737530929080, 16888537352985408, 5218680924762089400, 1637124203403474142500, 519752205290081232622296, 166620892958456148158454144, 53846423260084127389865311800]

cp's OEIS Frontend

A364304 a(n) = (7n)!(9n/2)!(5n/2)!/((5n)!(7n/2)!^2*n!^2).

Table of values

List of values

cp's OEIS Frontend

A364304 a(n) = (7*n)!*(9*n/2)!*(5*n/2)!/((5*n)!*(7*n/2)!^2*n!^2).

Table of values

List of values

A364304 a(n) = (7n)!(9n/2)!(5n/2)!/((5n)!(7n/2)!^2*n!^2).