A275654 - cp's OEIS frontend

A275654 a(n) = (5n)!/((3n)!n!^2) ((3n/2)!(7n/2)!)/(5n/2)!^2.

n	a(n)
0	1
1	28
2	2646
3	316540
4	42031990
5	5921058528
6	866486466720
7	130220534668224
8	19958454291525750
9	3105489721784166640
10	489023391870111994896
11	77758775451291032116200
12	12464212878673327376454304
13	2011515147856766922731424000

[1, 28, 2646, 316540, 42031990, 5921058528, 866486466720, 130220534668224, 19958454291525750, 3105489721784166640, 489023391870111994896, 77758775451291032116200, 12464212878673327376454304, 2011515147856766922731424000]

cp's OEIS Frontend

A275654 a(n) = (5n)!/((3n)!n!^2) ((3n/2)!(7n/2)!)/(5n/2)!^2.

Table of values

List of values

cp's OEIS Frontend

A275654 a(n) = (5*n)!/((3*n)!*n!^2) * ((3*n/2)!*(7*n/2)!)/(5*n/2)!^2.

Table of values

List of values

A275654 a(n) = (5n)!/((3n)!n!^2) ((3n/2)!(7n/2)!)/(5n/2)!^2.