A087275 - cp's OEIS frontend

A087275 Write n in binary: 1ab..yz, then a(n) = 1b..yz + ... + 1yz + 1z + 1.

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

[0, 1, 1, 3, 4, 3, 4, 7, 9, 9, 11, 7, 9, 9, 11, 15, 18, 19, 22, 19, 22, 23, 26, 15, 18, 19, 22, 19, 22, 23, 26, 31, 35, 37, 41, 39, 43, 45, 49, 39, 43, 45, 49, 47, 51, 53, 57, 31, 35, 37, 41, 39, 43, 45, 49, 39, 43, 45, 49, 47, 51, 53, 57, 63, 68, 71, 76]

cp's OEIS Frontend

A087275 Write n in binary: 1ab..yz, then a(n) = 1b..yz + ... + 1yz + 1z + 1.

Table of values

List of values

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

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

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