A334870 - cp's OEIS frontend

A334870 If n is a square, a(n) = A000196(n), and for nonsquare n, let p be the smallest prime dividing the squarefree part of n. Divide n by p and multiply by the product of all smaller primes.

n	a(n)
1	1
2	1
3	2
4	2
5	6
6	3
7	30
8	4
9	3
10	5
11	210
12	8
13	2310
14	7
15	10
16	4
17	30030
18	9
19	510510
20	24
21	14
22	11
23	9699690
24	12
25	5
26	13
27	18
28	120
29	223092870
30	15
31	6469693230
32	16
33	22
34	17
35	42
36	6
37	200560490130
38	19
39	26
40	20
41	7420738134810
42	21
43	304250263527210
44	840
45	54
46	23
47	13082761331670030
48	32
49	7
50	25
51	34
52	9240
53	614889782588491410
54	27
55	66
56	28
57	38
58	29

[1, 1, 2, 2, 6, 3, 30, 4, 3, 5, 210, 8, 2310, 7, 10, 4, 30030, 9, 510510, 24, 14, 11, 9699690, 12, 5, 13, 18, 120, 223092870, 15, 6469693230, 16, 22, 17, 42, 6, 200560490130, 19, 26, 20, 7420738134810, 21, 304250263527210, 840, 54, 23, 13082761331670030, 32, 7, 25, 34, 9240, 614889782588491410, 27, 66, 28, 38, 29]

cp's OEIS Frontend

A334870 If n is a square, a(n) = A000196(n), and for nonsquare n, let p be the smallest prime dividing the squarefree part of n. Divide n by p and multiply by the product of all smaller primes.

Table of values

List of values