A355633 - cp's OEIS frontend

A355633 a(n) is the sum of the divisors of n whose binary expansions appear as substrings in the binary expansion of n.

n	a(n)
1	1
2	3
3	4
4	7
5	6
6	12
7	8
8	15
9	10
10	18
11	12
12	28
13	14
14	24
15	19
16	31
17	18
18	30
19	20
20	42
21	22
22	36
23	24
24	60
25	26
26	42
27	31
28	56
29	30
30	57
31	32
32	63
33	34
34	54
35	36
36	70
37	38
38	60
39	43
40	90
41	42
42	66
43	44
44	84
45	54
46	72
47	48
48	124
49	50
50	78
51	55
52	98
53	54
54	93
55	72
56	120
57	61
58	90
59	60
60	133
61	62
62	96
63	74
64	127
65	66

[1, 3, 4, 7, 6, 12, 8, 15, 10, 18, 12, 28, 14, 24, 19, 31, 18, 30, 20, 42, 22, 36, 24, 60, 26, 42, 31, 56, 30, 57, 32, 63, 34, 54, 36, 70, 38, 60, 43, 90, 42, 66, 44, 84, 54, 72, 48, 124, 50, 78, 55, 98, 54, 93, 72, 120, 61, 90, 60, 133, 62, 96, 74, 127, 66]

cp's OEIS Frontend

A355633 a(n) is the sum of the divisors of n whose binary expansions appear as substrings in the binary expansion of n.

Table of values

List of values

n	a(n)
1	1
2	3
3	4
4	7
5	6
6	12
7	8
8	15
9	10
10	18
11	12
12	28
13	14
14	24
15	19
16	31
17	18
18	30
19	20
20	42
21	22
22	36
23	24
24	60
25	26
26	42
27	31
28	56
29	30
30	57
31	32
32	63
33	34
34	54
35	36
36	70
37	38
38	60
39	43
40	90
41	42
42	66
43	44
44	84
45	54
46	72
47	48
48	124
49	50
50	78
51	55
52	98
53	54
54	93
55	72
56	120
57	61
58	90
59	60
60	133
61	62
62	96
63	74
64	127
65	66

n	a(n)
1	1
2	3
3	4
4	7
5	6
6	12
7	8
8	15
9	10
10	18
11	12
12	28
13	14
14	24
15	19
16	31
17	18
18	30
19	20
20	42
21	22
22	36
23	24
24	60
25	26
26	42
27	31
28	56
29	30
30	57
31	32
32	63
33	34
34	54
35	36
36	70
37	38
38	60
39	43
40	90
41	42
42	66
43	44
44	84
45	54
46	72
47	48
48	124
49	50
50	78
51	55
52	98
53	54
54	93
55	72
56	120
57	61
58	90
59	60
60	133
61	62
62	96
63	74
64	127
65	66

n	a(n)
1	1
2	3
3	4
4	7
5	6
6	12
7	8
8	15
9	10
10	18
11	12
12	28
13	14
14	24
15	19
16	31
17	18
18	30
19	20
20	42
21	22
22	36
23	24
24	60
25	26
26	42
27	31
28	56
29	30
30	57
31	32
32	63
33	34
34	54
35	36
36	70
37	38
38	60
39	43
40	90
41	42
42	66
43	44
44	84
45	54
46	72
47	48
48	124
49	50
50	78
51	55
52	98
53	54
54	93
55	72
56	120
57	61
58	90
59	60
60	133
61	62
62	96
63	74
64	127
65	66