A387151 - cp's OEIS frontend

A387151 a(n) = n*n! / Product_{k=1..n} radical(k), where radical(n) is the product of distinct prime factors of n, cf. A007947.

n	a(n)
0	0
1	1
2	2
3	3
4	8
5	10
6	12
7	14
8	64
9	216
10	240
11	264
12	576
13	624
14	672
15	720
16	6144
17	6528
18	20736
19	21888
20	46080
21	48384
22	50688
23	52992
24	221184
25	1152000
26	1198080
27	11197440
28	23224320
29	24053760
30	24883200
31	25712640
32	424673280
33	437944320
34	451215360
35	464486400
36	2866544640

[0, 1, 2, 3, 8, 10, 12, 14, 64, 216, 240, 264, 576, 624, 672, 720, 6144, 6528, 20736, 21888, 46080, 48384, 50688, 52992, 221184, 1152000, 1198080, 11197440, 23224320, 24053760, 24883200, 25712640, 424673280, 437944320, 451215360, 464486400, 2866544640]

cp's OEIS Frontend

A387151 a(n) = n*n! / Product_{k=1..n} radical(k), where radical(n) is the product of distinct prime factors of n, cf. A007947.

Table of values

List of values