A053087 - cp's OEIS frontend

A053087 a(n) is the smallest j for which 2^j kara n is defined (see A053405).

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

[0, 1, 3, 2, 5, 4, 5, 3, 7, 6, 5, 7, 6, 8, 7, 4, 9, 8, 7, 8, 9, 6, 9, 8, 9, 7, 9, 10, 8, 10, 9, 5, 11, 10, 9, 10, 8, 10, 11, 9, 10, 11, 7, 11, 10, 11, 9, 11, 10, 11, 12, 8, 11, 10, 12, 11, 9, 12, 11, 12, 10, 12, 11, 6, 13, 12, 11, 12, 10, 12, 11, 12, 13, 9, 12, 11, 13, 12, 10]

cp's OEIS Frontend

A053087 a(n) is the smallest j for which 2^j kara n is defined (see A053405).

Table of values

List of values

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

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

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