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.

A107681 Repeat(first 2^k numbers with no 2 in ternary representation) for k>0.

Table of values

n a(n)
1 0
2 1
3 0
4 1
5 3
6 4
7 0
8 1
9 3
10 4
11 9
12 10
13 12
14 13
15 0
16 1
17 3
18 4
19 9
20 10
21 12
22 13
23 27
24 28
25 30
26 31
27 36
28 37
29 39
30 40
31 0
32 1
33 3
34 4
35 9
36 10
37 12
38 13
39 27
40 28
41 30
42 31
43 36
44 37
45 39
46 40
47 81
48 82
49 84
50 85
51 90
52 91
53 93
54 94
55 108
56 109
57 111
58 112
59 117
60 118
61 120
62 121
63 0
64 1
65 3
66 4
67 9
68 10
69 12
70 13
71 27
72 28
73 30
74 31
75 36
76 37

List of values

[0, 1, 0, 1, 3, 4, 0, 1, 3, 4, 9, 10, 12, 13, 0, 1, 3, 4, 9, 10, 12, 13, 27, 28, 30, 31, 36, 37, 39, 40, 0, 1, 3, 4, 9, 10, 12, 13, 27, 28, 30, 31, 36, 37, 39, 40, 81, 82, 84, 85, 90, 91, 93, 94, 108, 109, 111, 112, 117, 118, 120, 121, 0, 1, 3, 4, 9, 10, 12, 13, 27, 28, 30, 31, 36, 37]