A367776 - cp's OEIS frontend

A367776 a(n) = binomial(2n, n - 1)(2*n + 1)! / n!.

n	a(n)
0	0
1	6
2	240
3	12600
4	846720
5	69854400
6	6849722880
7	779155977600
8	100919250432000
9	14668613050291200
10	2364758225077248000
11	418798681661180620800
12	80831074222717378560000
13	16887920864389166592000000
14	3797443866983262444748800000
15	914438045469094536918528000000

[0, 6, 240, 12600, 846720, 69854400, 6849722880, 779155977600, 100919250432000, 14668613050291200, 2364758225077248000, 418798681661180620800, 80831074222717378560000, 16887920864389166592000000, 3797443866983262444748800000, 914438045469094536918528000000]

cp's OEIS Frontend

A367776 a(n) = binomial(2n, n - 1)(2*n + 1)! / n!.

Table of values

List of values

cp's OEIS Frontend

A367776 a(n) = binomial(2*n, n - 1)*(2*n + 1)! / n!.

Table of values

List of values

A367776 a(n) = binomial(2n, n - 1)(2*n + 1)! / n!.