A260316 - cp's OEIS frontend

A260316 n/3 if 3 divides n, else n-1.

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

[0, 0, 1, 1, 3, 4, 2, 6, 7, 3, 9, 10, 4, 12, 13, 5, 15, 16, 6, 18, 19, 7, 21, 22, 8, 24, 25, 9, 27, 28, 10, 30, 31, 11, 33, 34, 12, 36, 37, 13, 39, 40, 14, 42, 43, 15, 45, 46, 16, 48, 49, 17, 51, 52, 18, 54, 55, 19, 57, 58, 20, 60, 61, 21, 63, 64, 22, 66, 67, 23]

cp's OEIS Frontend

A260316 n/3 if 3 divides n, else n-1.

Table of values

List of values

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

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

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