A047831 - cp's OEIS frontend

A047831 a(n) = Product_{i=1..n} ((i+5)(i+6)(i+7)(i+8)(i+9))/(i(i+1)(i+2)(i+3)(i+4)).

n	a(n)
0	1
1	252
2	19404
3	731808
4	16818516
5	267227532
6	3184461423
7	30107635272
8	235234907908
9	1566039386912
10	9095857138368
11	46960429261824
12	218772384397632
13	931020034054176
14	3656383418054268
15	13365232267026024
16	45800747571406905
17	148055097314224100

[1, 252, 19404, 731808, 16818516, 267227532, 3184461423, 30107635272, 235234907908, 1566039386912, 9095857138368, 46960429261824, 218772384397632, 931020034054176, 3656383418054268, 13365232267026024, 45800747571406905, 148055097314224100]

cp's OEIS Frontend

A047831 a(n) = Product_{i=1..n} ((i+5)(i+6)(i+7)(i+8)(i+9))/(i(i+1)(i+2)(i+3)(i+4)).

Table of values

List of values

cp's OEIS Frontend

A047831 a(n) = Product_{i=1..n} ((i+5)*(i+6)*(i+7)*(i+8)*(i+9))/(i*(i+1)*(i+2)*(i+3)*(i+4)).

Table of values

List of values

A047831 a(n) = Product_{i=1..n} ((i+5)(i+6)(i+7)(i+8)(i+9))/(i(i+1)(i+2)(i+3)(i+4)).