A163089 - cp's OEIS frontend

A163089 n! / (Product{k|n} k$). Here '$' denotes the swinging factorial function (A056040).

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	4
6	3
7	36
8	48
9	96
10	240
11	14400
12	2160
13	518400
14	90720
15	141120
16	1935360
17	1625702400
18	870912
19	131681894400
20	145152000
21	15676416000
22	287400960000
23	1593350922240000
24	14780620800
25	7648084426752000
26	1614043791360000

[1, 1, 1, 1, 2, 4, 3, 36, 48, 96, 240, 14400, 2160, 518400, 90720, 141120, 1935360, 1625702400, 870912, 131681894400, 145152000, 15676416000, 287400960000, 1593350922240000, 14780620800, 7648084426752000, 1614043791360000]

cp's OEIS Frontend

A163089 n! / (Product{k|n} k$). Here '$' denotes the swinging factorial function (A056040).

Table of values

List of values