A216982 - cp's OEIS frontend

A216982 Anti-Chowla's function: sum of anti-divisors of n except the largest.

n	a(n)
1	0
2	0
3	0
4	0
5	2
6	0
7	5
8	3
9	2
10	7
11	5
12	5
13	10
14	7
15	8
16	3
17	17
18	16
19	5
20	11
21	8
22	21
23	19
24	7
25	22
26	7
27	24
28	27
29	5
30	16
31	21
32	37
33	26
34	7
35	29
36	8
37	25
38	45
39	26
40	28
41	14
42	38
43	27
44	11
45	56
46	27
47	29
48	24
49	39
50	47
51	8
52	59
53	53
54	16
55	37
56	19
57	36
58	57
59	51
60	67
61	16
62	37
63	70
64	3
65	41
66	42
67	87
68	67
69	8
70	55

[0, 0, 0, 0, 2, 0, 5, 3, 2, 7, 5, 5, 10, 7, 8, 3, 17, 16, 5, 11, 8, 21, 19, 7, 22, 7, 24, 27, 5, 16, 21, 37, 26, 7, 29, 8, 25, 45, 26, 28, 14, 38, 27, 11, 56, 27, 29, 24, 39, 47, 8, 59, 53, 16, 37, 19, 36, 57, 51, 67, 16, 37, 70, 3, 41, 42, 87, 67, 8, 55]

cp's OEIS Frontend

A216982 Anti-Chowla's function: sum of anti-divisors of n except the largest.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	0
5	2
6	0
7	5
8	3
9	2
10	7
11	5
12	5
13	10
14	7
15	8
16	3
17	17
18	16
19	5
20	11
21	8
22	21
23	19
24	7
25	22
26	7
27	24
28	27
29	5
30	16
31	21
32	37
33	26
34	7
35	29
36	8
37	25
38	45
39	26
40	28
41	14
42	38
43	27
44	11
45	56
46	27
47	29
48	24
49	39
50	47
51	8
52	59
53	53
54	16
55	37
56	19
57	36
58	57
59	51
60	67
61	16
62	37
63	70
64	3
65	41
66	42
67	87
68	67
69	8
70	55

n	a(n)
1	0
2	0
3	0
4	0
5	2
6	0
7	5
8	3
9	2
10	7
11	5
12	5
13	10
14	7
15	8
16	3
17	17
18	16
19	5
20	11
21	8
22	21
23	19
24	7
25	22
26	7
27	24
28	27
29	5
30	16
31	21
32	37
33	26
34	7
35	29
36	8
37	25
38	45
39	26
40	28
41	14
42	38
43	27
44	11
45	56
46	27
47	29
48	24
49	39
50	47
51	8
52	59
53	53
54	16
55	37
56	19
57	36
58	57
59	51
60	67
61	16
62	37
63	70
64	3
65	41
66	42
67	87
68	67
69	8
70	55

n	a(n)
1	0
2	0
3	0
4	0
5	2
6	0
7	5
8	3
9	2
10	7
11	5
12	5
13	10
14	7
15	8
16	3
17	17
18	16
19	5
20	11
21	8
22	21
23	19
24	7
25	22
26	7
27	24
28	27
29	5
30	16
31	21
32	37
33	26
34	7
35	29
36	8
37	25
38	45
39	26
40	28
41	14
42	38
43	27
44	11
45	56
46	27
47	29
48	24
49	39
50	47
51	8
52	59
53	53
54	16
55	37
56	19
57	36
58	57
59	51
60	67
61	16
62	37
63	70
64	3
65	41
66	42
67	87
68	67
69	8
70	55