A372971 - cp's OEIS frontend

A372971 a(1)=1, then a(n) = floor(n/min(a(n-1),a(floor(n/2)))).

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

[1, 2, 3, 2, 2, 3, 2, 4, 4, 5, 5, 4, 4, 7, 7, 4, 4, 4, 4, 5, 4, 5, 4, 6, 6, 6, 6, 4, 7, 4, 7, 8, 8, 8, 8, 9, 9, 9, 9, 8, 8, 10, 10, 8, 9, 11, 11, 8, 8, 8, 8, 8, 8, 9, 9, 14, 14, 8, 8, 15, 15, 8, 9, 8, 8, 8, 8, 8, 8, 8, 8, 9, 8, 9, 8, 9, 8, 9, 8, 10]

cp's OEIS Frontend

A372971 a(1)=1, then a(n) = floor(n/min(a(n-1),a(floor(n/2)))).

Table of values

List of values

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

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

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