A263390 - cp's OEIS frontend

A263390 a(3n) = n, otherwise a(n) = a(floor(2n/3)).

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

[0, 0, 0, 1, 0, 1, 2, 0, 1, 3, 2, 0, 4, 1, 3, 5, 2, 0, 6, 4, 1, 7, 3, 5, 8, 2, 0, 9, 6, 4, 10, 1, 7, 11, 3, 5, 12, 8, 2, 13, 0, 9, 14, 6, 4, 15, 10, 1, 16, 7, 11, 17, 3, 5, 18, 12, 8, 19, 2, 13, 20, 0, 9, 21, 14, 6, 22, 4, 15, 23, 10, 1, 24, 16, 7, 25]

cp's OEIS Frontend

A263390 a(3n) = n, otherwise a(n) = a(floor(2n/3)).

Table of values

List of values

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

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

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