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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A255070 (1/2)*(n minus number of runs in the binary expansion of n): a(n) = (n - A005811(n)) / 2 = A236840(n)/2.

Table of values

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

List of values

[0, 0, 0, 1, 1, 1, 2, 3, 3, 3, 3, 4, 5, 5, 6, 7, 7, 7, 7, 8, 8, 8, 9, 10, 11, 11, 11, 12, 13, 13, 14, 15, 15, 15, 15, 16, 16, 16, 17, 18, 18, 18, 18, 19, 20, 20, 21, 22, 23, 23, 23, 24, 24, 24, 25, 26, 27, 27, 27, 28, 29, 29, 30, 31, 31, 31, 31, 32, 32, 32, 33, 34, 34, 34, 34, 35]

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