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.

A339607 a(1) = 1, a(n) is the least m not already in the sequence that contains the binary expansion of the binary weight of a(n-1) anywhere within its own binary expansion.

Table of values

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

List of values

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

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

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