A066729 - cp's OEIS frontend

A066729 a(n) = Product_{d|n, d d if n is composite, n otherwise.

n	a(n)
1	1
2	2
3	3
4	2
5	5
6	6
7	7
8	8
9	3
10	10
11	11
12	144
13	13
14	14
15	15
16	64
17	17
18	324
19	19
20	400
21	21
22	22
23	23
24	13824
25	5
26	26
27	27
28	784
29	29
30	27000
31	31
32	1024
33	33
34	34
35	35
36	279936
37	37
38	38
39	39
40	64000
41	41
42	74088
43	43
44	1936
45	2025
46	46
47	47
48	5308416
49	7
50	2500
51	51
52	2704
53	53
54	157464
55	55
56	175616
57	57

[1, 2, 3, 2, 5, 6, 7, 8, 3, 10, 11, 144, 13, 14, 15, 64, 17, 324, 19, 400, 21, 22, 23, 13824, 5, 26, 27, 784, 29, 27000, 31, 1024, 33, 34, 35, 279936, 37, 38, 39, 64000, 41, 74088, 43, 1936, 2025, 46, 47, 5308416, 7, 2500, 51, 2704, 53, 157464, 55, 175616, 57]

cp's OEIS Frontend

A066729 a(n) = Product_{d|n, d d if n is composite, n otherwise.

Table of values

List of values