A336965 - cp's OEIS frontend

A336965 a(n) is the product of the distinct prime numbers appearing in the prime tower factorization of n.

n	a(n)
1	1
2	2
3	3
4	2
5	5
6	6
7	7
8	6
9	6
10	10
11	11
12	6
13	13
14	14
15	15
16	2
17	17
18	6
19	19
20	10
21	21
22	22
23	23
24	6
25	10
26	26
27	3
28	14
29	29
30	30
31	31
32	10
33	33
34	34
35	35
36	6
37	37
38	38
39	39
40	30
41	41
42	42
43	43
44	22
45	30
46	46
47	47
48	6
49	14
50	10
51	51
52	26
53	53
54	6
55	55
56	42
57	57
58	58
59	59
60	30
61	61
62	62
63	42
64	6
65	65
66	66
67	67
68	34
69	69
70	70

[1, 2, 3, 2, 5, 6, 7, 6, 6, 10, 11, 6, 13, 14, 15, 2, 17, 6, 19, 10, 21, 22, 23, 6, 10, 26, 3, 14, 29, 30, 31, 10, 33, 34, 35, 6, 37, 38, 39, 30, 41, 42, 43, 22, 30, 46, 47, 6, 14, 10, 51, 26, 53, 6, 55, 42, 57, 58, 59, 30, 61, 62, 42, 6, 65, 66, 67, 34, 69, 70]

cp's OEIS Frontend

A336965 a(n) is the product of the distinct prime numbers appearing in the prime tower factorization of n.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	2
5	5
6	6
7	7
8	6
9	6
10	10
11	11
12	6
13	13
14	14
15	15
16	2
17	17
18	6
19	19
20	10
21	21
22	22
23	23
24	6
25	10
26	26
27	3
28	14
29	29
30	30
31	31
32	10
33	33
34	34
35	35
36	6
37	37
38	38
39	39
40	30
41	41
42	42
43	43
44	22
45	30
46	46
47	47
48	6
49	14
50	10
51	51
52	26
53	53
54	6
55	55
56	42
57	57
58	58
59	59
60	30
61	61
62	62
63	42
64	6
65	65
66	66
67	67
68	34
69	69
70	70

n	a(n)
1	1
2	2
3	3
4	2
5	5
6	6
7	7
8	6
9	6
10	10
11	11
12	6
13	13
14	14
15	15
16	2
17	17
18	6
19	19
20	10
21	21
22	22
23	23
24	6
25	10
26	26
27	3
28	14
29	29
30	30
31	31
32	10
33	33
34	34
35	35
36	6
37	37
38	38
39	39
40	30
41	41
42	42
43	43
44	22
45	30
46	46
47	47
48	6
49	14
50	10
51	51
52	26
53	53
54	6
55	55
56	42
57	57
58	58
59	59
60	30
61	61
62	62
63	42
64	6
65	65
66	66
67	67
68	34
69	69
70	70

n	a(n)
1	1
2	2
3	3
4	2
5	5
6	6
7	7
8	6
9	6
10	10
11	11
12	6
13	13
14	14
15	15
16	2
17	17
18	6
19	19
20	10
21	21
22	22
23	23
24	6
25	10
26	26
27	3
28	14
29	29
30	30
31	31
32	10
33	33
34	34
35	35
36	6
37	37
38	38
39	39
40	30
41	41
42	42
43	43
44	22
45	30
46	46
47	47
48	6
49	14
50	10
51	51
52	26
53	53
54	6
55	55
56	42
57	57
58	58
59	59
60	30
61	61
62	62
63	42
64	6
65	65
66	66
67	67
68	34
69	69
70	70