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.

A031487 Numbers whose base-8 representation has the same number of 0's as 7's.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 5
6 6
7 9
8 10
9 11
10 12
11 13
12 14
13 17
14 18
15 19
16 20
17 21
18 22
19 25
20 26
21 27
22 28
23 29
24 30
25 33
26 34
27 35
28 36
29 37
30 38
31 41
32 42
33 43
34 44
35 45
36 46
37 49
38 50
39 51
40 52
41 53
42 54
43 56
44 71
45 73
46 74
47 75
48 76
49 77
50 78
51 81
52 82
53 83
54 84
55 85
56 86
57 89
58 90
59 91
60 92
61 93
62 94
63 97

List of values

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 14, 17, 18, 19, 20, 21, 22, 25, 26, 27, 28, 29, 30, 33, 34, 35, 36, 37, 38, 41, 42, 43, 44, 45, 46, 49, 50, 51, 52, 53, 54, 56, 71, 73, 74, 75, 76, 77, 78, 81, 82, 83, 84, 85, 86, 89, 90, 91, 92, 93, 94, 97]