A336564 - cp's OEIS frontend

A336564 a(n) = n - A308135(n), where A308135(n) is the sum of non-coreful divisors of n.

n	a(n)
1	1
2	1
3	2
4	3
5	4
6	0
7	6
8	7
9	8
10	2
11	10
12	2
13	12
14	4
15	6
16	15
17	16
18	3
19	18
20	8
21	10
22	8
23	22
24	6
25	24
26	10
27	26
28	14
29	28
30	-12
31	30
32	31
33	18
34	14
35	22
36	17
37	36
38	16
39	22
40	20
41	40
42	-12
43	42
44	26
45	27
46	20
47	46
48	14
49	48
50	17
51	30
52	32
53	52
54	12
55	38
56	34
57	34
58	26
59	58
60	-18
61	60
62	28
63	43
64	63
65	46
66	-12
67	66
68	44
69	42
70	-4
71	70
72	45
73	72
74	34
75	41
76	50
77	58
78	-12
79	78
80	44
81	80
82	38
83	82
84	-14
85	62

[1, 1, 2, 3, 4, 0, 6, 7, 8, 2, 10, 2, 12, 4, 6, 15, 16, 3, 18, 8, 10, 8, 22, 6, 24, 10, 26, 14, 28, -12, 30, 31, 18, 14, 22, 17, 36, 16, 22, 20, 40, -12, 42, 26, 27, 20, 46, 14, 48, 17, 30, 32, 52, 12, 38, 34, 34, 26, 58, -18, 60, 28, 43, 63, 46, -12, 66, 44, 42, -4, 70, 45, 72, 34, 41, 50, 58, -12, 78, 44, 80, 38, 82, -14, 62]

cp's OEIS Frontend

A336564 a(n) = n - A308135(n), where A308135(n) is the sum of non-coreful divisors of n.

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	3
5	4
6	0
7	6
8	7
9	8
10	2
11	10
12	2
13	12
14	4
15	6
16	15
17	16
18	3
19	18
20	8
21	10
22	8
23	22
24	6
25	24
26	10
27	26
28	14
29	28
30	-12
31	30
32	31
33	18
34	14
35	22
36	17
37	36
38	16
39	22
40	20
41	40
42	-12
43	42
44	26
45	27
46	20
47	46
48	14
49	48
50	17
51	30
52	32
53	52
54	12
55	38
56	34
57	34
58	26
59	58
60	-18
61	60
62	28
63	43
64	63
65	46
66	-12
67	66
68	44
69	42
70	-4
71	70
72	45
73	72
74	34
75	41
76	50
77	58
78	-12
79	78
80	44
81	80
82	38
83	82
84	-14
85	62

n	a(n)
1	1
2	1
3	2
4	3
5	4
6	0
7	6
8	7
9	8
10	2
11	10
12	2
13	12
14	4
15	6
16	15
17	16
18	3
19	18
20	8
21	10
22	8
23	22
24	6
25	24
26	10
27	26
28	14
29	28
30	-12
31	30
32	31
33	18
34	14
35	22
36	17
37	36
38	16
39	22
40	20
41	40
42	-12
43	42
44	26
45	27
46	20
47	46
48	14
49	48
50	17
51	30
52	32
53	52
54	12
55	38
56	34
57	34
58	26
59	58
60	-18
61	60
62	28
63	43
64	63
65	46
66	-12
67	66
68	44
69	42
70	-4
71	70
72	45
73	72
74	34
75	41
76	50
77	58
78	-12
79	78
80	44
81	80
82	38
83	82
84	-14
85	62

n	a(n)
1	1
2	1
3	2
4	3
5	4
6	0
7	6
8	7
9	8
10	2
11	10
12	2
13	12
14	4
15	6
16	15
17	16
18	3
19	18
20	8
21	10
22	8
23	22
24	6
25	24
26	10
27	26
28	14
29	28
30	-12
31	30
32	31
33	18
34	14
35	22
36	17
37	36
38	16
39	22
40	20
41	40
42	-12
43	42
44	26
45	27
46	20
47	46
48	14
49	48
50	17
51	30
52	32
53	52
54	12
55	38
56	34
57	34
58	26
59	58
60	-18
61	60
62	28
63	43
64	63
65	46
66	-12
67	66
68	44
69	42
70	-4
71	70
72	45
73	72
74	34
75	41
76	50
77	58
78	-12
79	78
80	44
81	80
82	38
83	82
84	-14
85	62