A308135 - cp's OEIS frontend

A308135 Sum of non-coreful divisors of n.

n	a(n)
1	0
2	1
3	1
4	1
5	1
6	6
7	1
8	1
9	1
10	8
11	1
12	10
13	1
14	10
15	9
16	1
17	1
18	15
19	1
20	12
21	11
22	14
23	1
24	18
25	1
26	16
27	1
28	14
29	1
30	42
31	1
32	1
33	15
34	20
35	13
36	19
37	1
38	22
39	17
40	20
41	1
42	54
43	1
44	18
45	18
46	26
47	1
48	34
49	1
50	33
51	21
52	20
53	1
54	42
55	17
56	22
57	23
58	32
59	1
60	78
61	1
62	34
63	20
64	1
65	19
66	78
67	1
68	24
69	27
70	74
71	1
72	27
73	1
74	40

[0, 1, 1, 1, 1, 6, 1, 1, 1, 8, 1, 10, 1, 10, 9, 1, 1, 15, 1, 12, 11, 14, 1, 18, 1, 16, 1, 14, 1, 42, 1, 1, 15, 20, 13, 19, 1, 22, 17, 20, 1, 54, 1, 18, 18, 26, 1, 34, 1, 33, 21, 20, 1, 42, 17, 22, 23, 32, 1, 78, 1, 34, 20, 1, 19, 78, 1, 24, 27, 74, 1, 27, 1, 40]

cp's OEIS Frontend

A308135 Sum of non-coreful divisors of n.

Table of values

List of values

n	a(n)
1	0
2	1
3	1
4	1
5	1
6	6
7	1
8	1
9	1
10	8
11	1
12	10
13	1
14	10
15	9
16	1
17	1
18	15
19	1
20	12
21	11
22	14
23	1
24	18
25	1
26	16
27	1
28	14
29	1
30	42
31	1
32	1
33	15
34	20
35	13
36	19
37	1
38	22
39	17
40	20
41	1
42	54
43	1
44	18
45	18
46	26
47	1
48	34
49	1
50	33
51	21
52	20
53	1
54	42
55	17
56	22
57	23
58	32
59	1
60	78
61	1
62	34
63	20
64	1
65	19
66	78
67	1
68	24
69	27
70	74
71	1
72	27
73	1
74	40

n	a(n)
1	0
2	1
3	1
4	1
5	1
6	6
7	1
8	1
9	1
10	8
11	1
12	10
13	1
14	10
15	9
16	1
17	1
18	15
19	1
20	12
21	11
22	14
23	1
24	18
25	1
26	16
27	1
28	14
29	1
30	42
31	1
32	1
33	15
34	20
35	13
36	19
37	1
38	22
39	17
40	20
41	1
42	54
43	1
44	18
45	18
46	26
47	1
48	34
49	1
50	33
51	21
52	20
53	1
54	42
55	17
56	22
57	23
58	32
59	1
60	78
61	1
62	34
63	20
64	1
65	19
66	78
67	1
68	24
69	27
70	74
71	1
72	27
73	1
74	40

n	a(n)
1	0
2	1
3	1
4	1
5	1
6	6
7	1
8	1
9	1
10	8
11	1
12	10
13	1
14	10
15	9
16	1
17	1
18	15
19	1
20	12
21	11
22	14
23	1
24	18
25	1
26	16
27	1
28	14
29	1
30	42
31	1
32	1
33	15
34	20
35	13
36	19
37	1
38	22
39	17
40	20
41	1
42	54
43	1
44	18
45	18
46	26
47	1
48	34
49	1
50	33
51	21
52	20
53	1
54	42
55	17
56	22
57	23
58	32
59	1
60	78
61	1
62	34
63	20
64	1
65	19
66	78
67	1
68	24
69	27
70	74
71	1
72	27
73	1
74	40