A066616 - cp's OEIS frontend

A066616 a(1) = 1; a(n) = n*a(n-1) if n does not divide a(n-1), otherwise a(n) = a(n-1).

n	a(n)
1	1
2	2
3	6
4	24
5	120
6	120
7	840
8	840
9	7560
10	7560
11	83160
12	83160
13	1081080
14	1081080
15	1081080
16	17297280
17	294053760
18	294053760
19	5587021440
20	5587021440
21	5587021440
22	5587021440
23	128501493120
24	128501493120
25	3212537328000
26	3212537328000

[1, 2, 6, 24, 120, 120, 840, 840, 7560, 7560, 83160, 83160, 1081080, 1081080, 1081080, 17297280, 294053760, 294053760, 5587021440, 5587021440, 5587021440, 5587021440, 128501493120, 128501493120, 3212537328000, 3212537328000]

cp's OEIS Frontend

A066616 a(1) = 1; a(n) = n*a(n-1) if n does not divide a(n-1), otherwise a(n) = a(n-1).

Table of values

List of values