A274061 - cp's OEIS frontend

A274061 Number of 1's required to build n using +, * and concatenation of 1's, where the result of concatenation is interpreted as a binary string.

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

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

cp's OEIS Frontend

A274061 Number of 1's required to build n using +, * and concatenation of 1's, where the result of concatenation is interpreted as a binary string.

Table of values

List of values

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

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

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