A283190 - cp's OEIS frontend

A283190 a(n) is the number of different values n mod k for 1 <= k <= floor(n/2).

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

[0, 1, 1, 1, 2, 1, 2, 2, 2, 3, 4, 2, 3, 3, 3, 4, 5, 4, 5, 4, 4, 5, 6, 5, 6, 7, 7, 7, 8, 6, 7, 7, 7, 8, 9, 8, 9, 9, 9, 10, 11, 9, 10, 9, 9, 10, 11, 10, 11, 12, 12, 12, 13, 12, 13, 13, 13, 14, 15, 13, 14, 14, 14, 15, 16, 15, 16, 15, 15, 16, 17, 16, 17, 17, 17, 17, 18, 17]

cp's OEIS Frontend

A283190 a(n) is the number of different values n mod k for 1 <= k <= floor(n/2).

Table of values

List of values

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

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

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