A008615 - cp's OEIS frontend

A008615 a(n) = floor(n/2) - floor(n/3).

n	a(n)
0	0
1	0
2	1
3	0
4	1
5	1
6	1
7	1
8	2
9	1
10	2
11	2
12	2
13	2
14	3
15	2
16	3
17	3
18	3
19	3
20	4
21	3
22	4
23	4
24	4
25	4
26	5
27	4
28	5
29	5
30	5
31	5
32	6
33	5
34	6
35	6
36	6
37	6
38	7
39	6
40	7
41	7
42	7
43	7
44	8
45	7
46	8
47	8
48	8
49	8
50	9
51	8
52	9
53	9
54	9
55	9
56	10
57	9
58	10
59	10
60	10
61	10
62	11
63	10
64	11
65	11
66	11
67	11
68	12
69	11
70	12
71	12
72	12
73	12
74	13
75	12
76	13
77	13
78	13
79	13
80	14
81	13
82	14
83	14
84	14
85	14
86	15
87	14

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

cp's OEIS Frontend

A008615 a(n) = floor(n/2) - floor(n/3).

Table of values

List of values

n	a(n)
0	0
1	0
2	1
3	0
4	1
5	1
6	1
7	1
8	2
9	1
10	2
11	2
12	2
13	2
14	3
15	2
16	3
17	3
18	3
19	3
20	4
21	3
22	4
23	4
24	4
25	4
26	5
27	4
28	5
29	5
30	5
31	5
32	6
33	5
34	6
35	6
36	6
37	6
38	7
39	6
40	7
41	7
42	7
43	7
44	8
45	7
46	8
47	8
48	8
49	8
50	9
51	8
52	9
53	9
54	9
55	9
56	10
57	9
58	10
59	10
60	10
61	10
62	11
63	10
64	11
65	11
66	11
67	11
68	12
69	11
70	12
71	12
72	12
73	12
74	13
75	12
76	13
77	13
78	13
79	13
80	14
81	13
82	14
83	14
84	14
85	14
86	15
87	14

n	a(n)
0	0
1	0
2	1
3	0
4	1
5	1
6	1
7	1
8	2
9	1
10	2
11	2
12	2
13	2
14	3
15	2
16	3
17	3
18	3
19	3
20	4
21	3
22	4
23	4
24	4
25	4
26	5
27	4
28	5
29	5
30	5
31	5
32	6
33	5
34	6
35	6
36	6
37	6
38	7
39	6
40	7
41	7
42	7
43	7
44	8
45	7
46	8
47	8
48	8
49	8
50	9
51	8
52	9
53	9
54	9
55	9
56	10
57	9
58	10
59	10
60	10
61	10
62	11
63	10
64	11
65	11
66	11
67	11
68	12
69	11
70	12
71	12
72	12
73	12
74	13
75	12
76	13
77	13
78	13
79	13
80	14
81	13
82	14
83	14
84	14
85	14
86	15
87	14

n	a(n)
0	0
1	0
2	1
3	0
4	1
5	1
6	1
7	1
8	2
9	1
10	2
11	2
12	2
13	2
14	3
15	2
16	3
17	3
18	3
19	3
20	4
21	3
22	4
23	4
24	4
25	4
26	5
27	4
28	5
29	5
30	5
31	5
32	6
33	5
34	6
35	6
36	6
37	6
38	7
39	6
40	7
41	7
42	7
43	7
44	8
45	7
46	8
47	8
48	8
49	8
50	9
51	8
52	9
53	9
54	9
55	9
56	10
57	9
58	10
59	10
60	10
61	10
62	11
63	10
64	11
65	11
66	11
67	11
68	12
69	11
70	12
71	12
72	12
73	12
74	13
75	12
76	13
77	13
78	13
79	13
80	14
81	13
82	14
83	14
84	14
85	14
86	15
87	14