A253555 - cp's OEIS frontend

A253555 a(1) = 0, a(2n) = 1 + a(n), a(2n+1) = 1 + a(A250470(2n+1)); also binary width of terms of A252754 and A252756.

n	a(n)
1	0
2	1
3	2
4	2
5	3
6	3
7	4
8	3
9	3
10	4
11	5
12	4
13	6
14	5
15	4
16	4
17	7
18	4
19	8
20	5
21	4
22	6
23	9
24	5
25	4
26	7
27	5
28	6
29	10
30	5
31	11
32	5
33	5
34	8
35	5
36	5
37	12
38	9
39	6
40	6
41	13
42	5
43	14
44	7
45	5
46	10
47	15
48	6
49	5
50	5
51	5
52	8
53	16
54	6
55	5
56	7
57	6
58	11
59	17
60	6
61	18
62	12
63	7
64	6
65	6
66	6
67	19
68	9
69	6
70	6
71	20
72	6
73	21
74	13
75	8
76	10
77	6
78	7
79	22
80	7
81	7
82	14
83	23
84	6
85	6
86	15
87	6
88	8
89	24
90	6
91	6
92	11
93	6
94	16
95	7
96	7
97	25
98	6
99	9
100	6

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

cp's OEIS Frontend

A253555 a(1) = 0, a(2n) = 1 + a(n), a(2n+1) = 1 + a(A250470(2n+1)); also binary width of terms of A252754 and A252756.

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	2
5	3
6	3
7	4
8	3
9	3
10	4
11	5
12	4
13	6
14	5
15	4
16	4
17	7
18	4
19	8
20	5
21	4
22	6
23	9
24	5
25	4
26	7
27	5
28	6
29	10
30	5
31	11
32	5
33	5
34	8
35	5
36	5
37	12
38	9
39	6
40	6
41	13
42	5
43	14
44	7
45	5
46	10
47	15
48	6
49	5
50	5
51	5
52	8
53	16
54	6
55	5
56	7
57	6
58	11
59	17
60	6
61	18
62	12
63	7
64	6
65	6
66	6
67	19
68	9
69	6
70	6
71	20
72	6
73	21
74	13
75	8
76	10
77	6
78	7
79	22
80	7
81	7
82	14
83	23
84	6
85	6
86	15
87	6
88	8
89	24
90	6
91	6
92	11
93	6
94	16
95	7
96	7
97	25
98	6
99	9
100	6

n	a(n)
1	0
2	1
3	2
4	2
5	3
6	3
7	4
8	3
9	3
10	4
11	5
12	4
13	6
14	5
15	4
16	4
17	7
18	4
19	8
20	5
21	4
22	6
23	9
24	5
25	4
26	7
27	5
28	6
29	10
30	5
31	11
32	5
33	5
34	8
35	5
36	5
37	12
38	9
39	6
40	6
41	13
42	5
43	14
44	7
45	5
46	10
47	15
48	6
49	5
50	5
51	5
52	8
53	16
54	6
55	5
56	7
57	6
58	11
59	17
60	6
61	18
62	12
63	7
64	6
65	6
66	6
67	19
68	9
69	6
70	6
71	20
72	6
73	21
74	13
75	8
76	10
77	6
78	7
79	22
80	7
81	7
82	14
83	23
84	6
85	6
86	15
87	6
88	8
89	24
90	6
91	6
92	11
93	6
94	16
95	7
96	7
97	25
98	6
99	9
100	6

n	a(n)
1	0
2	1
3	2
4	2
5	3
6	3
7	4
8	3
9	3
10	4
11	5
12	4
13	6
14	5
15	4
16	4
17	7
18	4
19	8
20	5
21	4
22	6
23	9
24	5
25	4
26	7
27	5
28	6
29	10
30	5
31	11
32	5
33	5
34	8
35	5
36	5
37	12
38	9
39	6
40	6
41	13
42	5
43	14
44	7
45	5
46	10
47	15
48	6
49	5
50	5
51	5
52	8
53	16
54	6
55	5
56	7
57	6
58	11
59	17
60	6
61	18
62	12
63	7
64	6
65	6
66	6
67	19
68	9
69	6
70	6
71	20
72	6
73	21
74	13
75	8
76	10
77	6
78	7
79	22
80	7
81	7
82	14
83	23
84	6
85	6
86	15
87	6
88	8
89	24
90	6
91	6
92	11
93	6
94	16
95	7
96	7
97	25
98	6
99	9
100	6