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.

A039111 Numbers whose base-9 representation has the same number of 7's and 8's.

Table of values

n a(n)
1 0
2 1
3 2
4 3
5 4
6 5
7 6
8 9
9 10
10 11
11 12
12 13
13 14
14 15
15 18
16 19
17 20
18 21
19 22
20 23
21 24
22 27
23 28
24 29
25 30
26 31
27 32
28 33
29 36
30 37
31 38
32 39
33 40
34 41
35 42
36 45
37 46
38 47
39 48
40 49
41 50
42 51
43 54
44 55
45 56
46 57
47 58
48 59
49 60
50 71
51 79
52 81
53 82
54 83
55 84
56 85
57 86
58 87
59 90
60 91
61 92
62 93
63 94
64 95
65 96
66 99
67 100
68 101
69 102

List of values

[0, 1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 14, 15, 18, 19, 20, 21, 22, 23, 24, 27, 28, 29, 30, 31, 32, 33, 36, 37, 38, 39, 40, 41, 42, 45, 46, 47, 48, 49, 50, 51, 54, 55, 56, 57, 58, 59, 60, 71, 79, 81, 82, 83, 84, 85, 86, 87, 90, 91, 92, 93, 94, 95, 96, 99, 100, 101, 102]

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

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