A385889 - cp's OEIS frontend

A385889 The number k such that the k-th composition in standard order is the sequence of lengths of maximal runs of binary indices of n.

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

[0, 1, 1, 2, 1, 3, 2, 4, 1, 3, 3, 5, 2, 6, 4, 8, 1, 3, 3, 5, 3, 7, 5, 9, 2, 6, 6, 10, 4, 12, 8, 16, 1, 3, 3, 5, 3, 7, 5, 9, 3, 7, 7, 11, 5, 13, 9, 17, 2, 6, 6, 10, 6, 14, 10, 18, 4, 12, 12, 20, 8, 24, 16, 32, 1, 3, 3, 5, 3, 7, 5, 9, 3, 7, 7, 11, 5, 13, 9, 17, 3]

cp's OEIS Frontend

A385889 The number k such that the k-th composition in standard order is the sequence of lengths of maximal runs of binary indices of n.

Table of values

List of values

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

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

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