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.

A367609 Comma-number associated with A367607(n), and written in base 3, or -1 if A367607(n) = -1.

Table of values

n a(n)
1 11
2 21
3 1
4 -1
5 21
6 2
7 11
8 21
9 1
10 11
11 22
12 1
13 11
14 22
15 1
16 12
17 22
18 2
19 12
20 21
21 2
22 -1
23 21
24 2
25 11
26 21
27 1
28 11
29 21
30 1
31 11
32 21
33 1
34 11
35 21
36 1
37 11
38 21
39 1
40 11
41 21
42 1
43 11
44 21
45 1
46 11
47 22
48 1
49 11
50 22
51 1
52 12
53 22
54 2
55 12
56 22
57 2
58 12
59 22
60 2
61 12
62 22
63 2
64 12
65 22
66 2
67 12
68 22
69 2
70 12
71 22
72 2
73 12
74 21
75 2
76 -1
77 21
78 2
79 11
80 21
81 1
82 11
83 21
84 1
85 11
86 21
87 1
88 11
89 21
90 1
91 11
92 21
93 1
94 11
95 21
96 1
97 11
98 21
99 1
100 11

List of values

[11, 21, 1, -1, 21, 2, 11, 21, 1, 11, 22, 1, 11, 22, 1, 12, 22, 2, 12, 21, 2, -1, 21, 2, 11, 21, 1, 11, 21, 1, 11, 21, 1, 11, 21, 1, 11, 21, 1, 11, 21, 1, 11, 21, 1, 11, 22, 1, 11, 22, 1, 12, 22, 2, 12, 22, 2, 12, 22, 2, 12, 22, 2, 12, 22, 2, 12, 22, 2, 12, 22, 2, 12, 21, 2, -1, 21, 2, 11, 21, 1, 11, 21, 1, 11, 21, 1, 11, 21, 1, 11, 21, 1, 11, 21, 1, 11, 21, 1, 11]