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.

A337250 Numbers having at least one 3 in their representation in base 4.

Table of values

n a(n)
1 3
2 7
3 11
4 12
5 13
6 14
7 15
8 19
9 23
10 27
11 28
12 29
13 30
14 31
15 35
16 39
17 43
18 44
19 45
20 46
21 47
22 48
23 49
24 50
25 51
26 52
27 53
28 54
29 55
30 56
31 57
32 58
33 59
34 60
35 61
36 62
37 63
38 67
39 71
40 75
41 76
42 77
43 78
44 79
45 83
46 87
47 91
48 92
49 93
50 94
51 95
52 99
53 103
54 107
55 108
56 109
57 110
58 111
59 112
60 113
61 114
62 115
63 116
64 117
65 118
66 119

List of values

[3, 7, 11, 12, 13, 14, 15, 19, 23, 27, 28, 29, 30, 31, 35, 39, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 67, 71, 75, 76, 77, 78, 79, 83, 87, 91, 92, 93, 94, 95, 99, 103, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119]