A083746 - cp's OEIS frontend

A083746 a(1) = 1, a(2) = 2; for n>2, a(n) = 3(n-2)(n-2)!.

n	a(n)
1	1
2	2
3	3
4	12
5	54
6	288
7	1800
8	12960
9	105840
10	967680
11	9797760
12	108864000
13	1317254400
14	17244057600
15	242853811200
16	3661488230400
17	58845346560000
18	1004293914624000
19	18140058832896000
20	345728180109312000
21	6933770723303424000

[1, 2, 3, 12, 54, 288, 1800, 12960, 105840, 967680, 9797760, 108864000, 1317254400, 17244057600, 242853811200, 3661488230400, 58845346560000, 1004293914624000, 18140058832896000, 345728180109312000, 6933770723303424000]

cp's OEIS Frontend

A083746 a(1) = 1, a(2) = 2; for n>2, a(n) = 3(n-2)(n-2)!.

Table of values

List of values

cp's OEIS Frontend

A083746 a(1) = 1, a(2) = 2; for n>2, a(n) = 3*(n-2)*(n-2)!.

Table of values

List of values

A083746 a(1) = 1, a(2) = 2; for n>2, a(n) = 3(n-2)(n-2)!.