A326143 - cp's OEIS frontend

A326143 a(n) = A326142(n) - n, where A326142 gives the sum of all other divisors of n except its largest squarefree divisor.

n	a(n)
1	-1
2	-1
3	-2
4	1
5	-4
6	0
7	-6
8	5
9	1
10	-2
11	-10
12	10
13	-12
14	-4
15	-6
16	13
17	-16
18	15
19	-18
20	12
21	-10
22	-8
23	-22
24	30
25	1
26	-10
27	10
28	14
29	-28
30	12
31	-30
32	29
33	-18
34	-14
35	-22
36	49
37	-36
38	-16
39	-22
40	40
41	-40
42	12
43	-42
44	18
45	18
46	-20
47	-46
48	70
49	1
50	33
51	-30
52	20
53	-52
54	60
55	-38
56	50
57	-34
58	-26
59	-58
60	78
61	-60
62	-28
63	20
64	61
65	-46
66	12
67	-66
68	24
69	-42
70	4
71	-70
72	117
73	-72
74	-34
75	34
76	26
77	-58
78	12

[-1, -1, -2, 1, -4, 0, -6, 5, 1, -2, -10, 10, -12, -4, -6, 13, -16, 15, -18, 12, -10, -8, -22, 30, 1, -10, 10, 14, -28, 12, -30, 29, -18, -14, -22, 49, -36, -16, -22, 40, -40, 12, -42, 18, 18, -20, -46, 70, 1, 33, -30, 20, -52, 60, -38, 50, -34, -26, -58, 78, -60, -28, 20, 61, -46, 12, -66, 24, -42, 4, -70, 117, -72, -34, 34, 26, -58, 12]

cp's OEIS Frontend

A326143 a(n) = A326142(n) - n, where A326142 gives the sum of all other divisors of n except its largest squarefree divisor.

Table of values

List of values

n	a(n)
1	-1
2	-1
3	-2
4	1
5	-4
6	0
7	-6
8	5
9	1
10	-2
11	-10
12	10
13	-12
14	-4
15	-6
16	13
17	-16
18	15
19	-18
20	12
21	-10
22	-8
23	-22
24	30
25	1
26	-10
27	10
28	14
29	-28
30	12
31	-30
32	29
33	-18
34	-14
35	-22
36	49
37	-36
38	-16
39	-22
40	40
41	-40
42	12
43	-42
44	18
45	18
46	-20
47	-46
48	70
49	1
50	33
51	-30
52	20
53	-52
54	60
55	-38
56	50
57	-34
58	-26
59	-58
60	78
61	-60
62	-28
63	20
64	61
65	-46
66	12
67	-66
68	24
69	-42
70	4
71	-70
72	117
73	-72
74	-34
75	34
76	26
77	-58
78	12

n	a(n)
1	-1
2	-1
3	-2
4	1
5	-4
6	0
7	-6
8	5
9	1
10	-2
11	-10
12	10
13	-12
14	-4
15	-6
16	13
17	-16
18	15
19	-18
20	12
21	-10
22	-8
23	-22
24	30
25	1
26	-10
27	10
28	14
29	-28
30	12
31	-30
32	29
33	-18
34	-14
35	-22
36	49
37	-36
38	-16
39	-22
40	40
41	-40
42	12
43	-42
44	18
45	18
46	-20
47	-46
48	70
49	1
50	33
51	-30
52	20
53	-52
54	60
55	-38
56	50
57	-34
58	-26
59	-58
60	78
61	-60
62	-28
63	20
64	61
65	-46
66	12
67	-66
68	24
69	-42
70	4
71	-70
72	117
73	-72
74	-34
75	34
76	26
77	-58
78	12

n	a(n)
1	-1
2	-1
3	-2
4	1
5	-4
6	0
7	-6
8	5
9	1
10	-2
11	-10
12	10
13	-12
14	-4
15	-6
16	13
17	-16
18	15
19	-18
20	12
21	-10
22	-8
23	-22
24	30
25	1
26	-10
27	10
28	14
29	-28
30	12
31	-30
32	29
33	-18
34	-14
35	-22
36	49
37	-36
38	-16
39	-22
40	40
41	-40
42	12
43	-42
44	18
45	18
46	-20
47	-46
48	70
49	1
50	33
51	-30
52	20
53	-52
54	60
55	-38
56	50
57	-34
58	-26
59	-58
60	78
61	-60
62	-28
63	20
64	61
65	-46
66	12
67	-66
68	24
69	-42
70	4
71	-70
72	117
73	-72
74	-34
75	34
76	26
77	-58
78	12