A295908 - cp's OEIS frontend

A295908 Triangle in which n-th row lists divisors d of n such that n/d is squarefree.

n	a(n)
1	1
2	1
3	2
4	1
5	3
6	2
7	4
8	1
9	5
10	1
11	2
12	3
13	6
14	1
15	7
16	4
17	8
18	3
19	9
20	1
21	2
22	5
23	10
24	1
25	11
26	2
27	4
28	6
29	12
30	1
31	13
32	1
33	2
34	7
35	14
36	1
37	3
38	5
39	15
40	8
41	16
42	1
43	17
44	3
45	6
46	9
47	18
48	1
49	19
50	2
51	4
52	10
53	20
54	1
55	3
56	7
57	21
58	1
59	2
60	11
61	22
62	1
63	23
64	4
65	8
66	12
67	24
68	5
69	25
70	1
71	2
72	13
73	26
74	9
75	27
76	2
77	4
78	14
79	28

[1, 1, 2, 1, 3, 2, 4, 1, 5, 1, 2, 3, 6, 1, 7, 4, 8, 3, 9, 1, 2, 5, 10, 1, 11, 2, 4, 6, 12, 1, 13, 1, 2, 7, 14, 1, 3, 5, 15, 8, 16, 1, 17, 3, 6, 9, 18, 1, 19, 2, 4, 10, 20, 1, 3, 7, 21, 1, 2, 11, 22, 1, 23, 4, 8, 12, 24, 5, 25, 1, 2, 13, 26, 9, 27, 2, 4, 14, 28]

cp's OEIS Frontend

A295908 Triangle in which n-th row lists divisors d of n such that n/d is squarefree.

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	1
5	3
6	2
7	4
8	1
9	5
10	1
11	2
12	3
13	6
14	1
15	7
16	4
17	8
18	3
19	9
20	1
21	2
22	5
23	10
24	1
25	11
26	2
27	4
28	6
29	12
30	1
31	13
32	1
33	2
34	7
35	14
36	1
37	3
38	5
39	15
40	8
41	16
42	1
43	17
44	3
45	6
46	9
47	18
48	1
49	19
50	2
51	4
52	10
53	20
54	1
55	3
56	7
57	21
58	1
59	2
60	11
61	22
62	1
63	23
64	4
65	8
66	12
67	24
68	5
69	25
70	1
71	2
72	13
73	26
74	9
75	27
76	2
77	4
78	14
79	28

n	a(n)
1	1
2	1
3	2
4	1
5	3
6	2
7	4
8	1
9	5
10	1
11	2
12	3
13	6
14	1
15	7
16	4
17	8
18	3
19	9
20	1
21	2
22	5
23	10
24	1
25	11
26	2
27	4
28	6
29	12
30	1
31	13
32	1
33	2
34	7
35	14
36	1
37	3
38	5
39	15
40	8
41	16
42	1
43	17
44	3
45	6
46	9
47	18
48	1
49	19
50	2
51	4
52	10
53	20
54	1
55	3
56	7
57	21
58	1
59	2
60	11
61	22
62	1
63	23
64	4
65	8
66	12
67	24
68	5
69	25
70	1
71	2
72	13
73	26
74	9
75	27
76	2
77	4
78	14
79	28

n	a(n)
1	1
2	1
3	2
4	1
5	3
6	2
7	4
8	1
9	5
10	1
11	2
12	3
13	6
14	1
15	7
16	4
17	8
18	3
19	9
20	1
21	2
22	5
23	10
24	1
25	11
26	2
27	4
28	6
29	12
30	1
31	13
32	1
33	2
34	7
35	14
36	1
37	3
38	5
39	15
40	8
41	16
42	1
43	17
44	3
45	6
46	9
47	18
48	1
49	19
50	2
51	4
52	10
53	20
54	1
55	3
56	7
57	21
58	1
59	2
60	11
61	22
62	1
63	23
64	4
65	8
66	12
67	24
68	5
69	25
70	1
71	2
72	13
73	26
74	9
75	27
76	2
77	4
78	14
79	28