A265008 - cp's OEIS frontend

A265008 Number of positive solutions to the equation A x B = C, where A, B and C are made from (contiguous) substrings of the binary representation of n.

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

[1, 3, 3, 6, 5, 9, 5, 10, 8, 9, 9, 18, 13, 15, 7, 15, 12, 12, 13, 18, 11, 17, 13, 30, 23, 21, 17, 30, 21, 21, 9, 21, 17, 16, 16, 18, 16, 21, 17, 30, 22, 15, 17, 32, 21, 25, 19, 45, 34, 33, 27, 36, 25, 25, 25, 50, 37, 33, 27, 42, 33, 27, 11, 28, 23, 21, 21, 22, 20, 24, 20, 30, 20, 24, 23, 33, 27, 29, 21, 45, 34, 30, 29, 30, 17, 29, 25, 52, 40, 33, 25, 46, 31]

cp's OEIS Frontend

A265008 Number of positive solutions to the equation A x B = C, where A, B and C are made from (contiguous) substrings of the binary representation of n.

Table of values

List of values

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

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

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