A057365 - cp's OEIS frontend

A057365 a(n) = floor(13*n/21).

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

[0, 0, 1, 1, 2, 3, 3, 4, 4, 5, 6, 6, 7, 8, 8, 9, 9, 10, 11, 11, 12, 13, 13, 14, 14, 15, 16, 16, 17, 17, 18, 19, 19, 20, 21, 21, 22, 22, 23, 24, 24, 25, 26, 26, 27, 27, 28, 29, 29, 30, 30, 31, 32, 32, 33, 34, 34, 35, 35, 36, 37, 37, 38, 39, 39, 40, 40, 41, 42, 42, 43, 43, 44, 45]

cp's OEIS Frontend

A057365 a(n) = floor(13*n/21).

Table of values

List of values

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

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

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