A141609 - cp's OEIS frontend

A141609 a(n) = (a(n-1)*a(n-2) + a(n-1)^2)/a(n-3), with a(1) = a(2) = a(3) = 1.

n	a(n)
1	1
2	1
3	1
4	2
5	6
6	48
7	1296
8	290304
9	1763596800
10	2400297571123200
11	19846204885558066176000000
12	223334408639880528216369404299444224000000
13	20780031060559302184531906881808103844643569442380668928000000000000

[1, 1, 1, 2, 6, 48, 1296, 290304, 1763596800, 2400297571123200, 19846204885558066176000000, 223334408639880528216369404299444224000000, 20780031060559302184531906881808103844643569442380668928000000000000]

cp's OEIS Frontend

A141609 a(n) = (a(n-1)*a(n-2) + a(n-1)^2)/a(n-3), with a(1) = a(2) = a(3) = 1.

Table of values

List of values