A129326 - cp's OEIS frontend

A129326 a(n) = (2n+1)(n-1)!.

n	a(n)
1	3
2	5
3	14
4	54
5	264
6	1560
7	10800
8	85680
9	766080
10	7620480
11	83462400
12	997920000
13	12933043200
14	180583603200
15	2702527027200
16	43153254144000
17	732297646080000
18	13160434839552000
19	249692574523392000
20	4987449116762112000
21	104614786351595520000
22	2299092397726924800000

[3, 5, 14, 54, 264, 1560, 10800, 85680, 766080, 7620480, 83462400, 997920000, 12933043200, 180583603200, 2702527027200, 43153254144000, 732297646080000, 13160434839552000, 249692574523392000, 4987449116762112000, 104614786351595520000, 2299092397726924800000]

cp's OEIS Frontend

A129326 a(n) = (2n+1)(n-1)!.

Table of values

List of values

cp's OEIS Frontend

A129326 a(n) = (2*n+1)*(n-1)!.

Table of values

List of values

A129326 a(n) = (2n+1)(n-1)!.