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.

A356844 Numbers k such that the k-th composition in standard order contains at least one 1. Numbers that are odd or whose binary expansion contains at least two adjacent 1's.

Table of values

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

List of values

[1, 3, 5, 6, 7, 9, 11, 12, 13, 14, 15, 17, 19, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 33, 35, 37, 38, 39, 41, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 65, 67, 69, 70, 71, 73, 75, 76, 77, 78, 79, 81, 83, 85, 86, 87]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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