cp's OEIS Frontend

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.

A026140 a(n) = (1/2)*(s(n) - 1), where s = A026139.

Table of values

n a(n)
1 0
2 1
3 3
4 4
5 7
6 9
7 10
8 12
9 13
10 16
11 19
12 21
13 22
14 25
15 27
16 28
17 30
18 31
19 34
20 36
21 37
22 39
23 40
24 43
25 46
26 48
27 49
28 52
29 55
30 57
31 58
32 61
33 63
34 64
35 66
36 67
37 70
38 73
39 75
40 76
41 79
42 81
43 82
44 84
45 85
46 88
47 90
48 91
49 93
50 94
51 97
52 100
53 102
54 103
55 106
56 108
57 109
58 111
59 112
60 115
61 117
62 118

List of values

[0, 1, 3, 4, 7, 9, 10, 12, 13, 16, 19, 21, 22, 25, 27, 28, 30, 31, 34, 36, 37, 39, 40, 43, 46, 48, 49, 52, 55, 57, 58, 61, 63, 64, 66, 67, 70, 73, 75, 76, 79, 81, 82, 84, 85, 88, 90, 91, 93, 94, 97, 100, 102, 103, 106, 108, 109, 111, 112, 115, 117, 118]