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.

A290092 Filter based on 2-digits of base-3 expansion: a(n) = A278222(A289814(n)).

Table of values

n a(n)
0 1
1 1
2 2
3 1
4 1
5 2
6 2
7 2
8 4
9 1
10 1
11 2
12 1
13 1
14 2
15 2
16 2
17 4
18 2
19 2
20 6
21 2
22 2
23 6
24 4
25 4
26 8
27 1
28 1
29 2
30 1
31 1
32 2
33 2
34 2
35 4
36 1
37 1
38 2
39 1
40 1
41 2
42 2
43 2
44 4
45 2
46 2
47 6
48 2
49 2
50 6
51 4
52 4
53 8
54 2
55 2
56 6
57 2
58 2
59 6
60 6
61 6
62 12
63 2
64 2
65 6
66 2
67 2
68 6
69 6
70 6
71 12
72 4
73 4
74 12
75 4
76 4
77 12
78 8
79 8
80 16
81 1
82 1
83 2
84 1
85 1
86 2
87 2
88 2
89 4
90 1
91 1
92 2
93 1
94 1
95 2
96 2
97 2
98 4
99 2
100 2
101 6
102 2
103 2
104 6
105 4
106 4
107 8
108 1
109 1
110 2
111 1

List of values

[1, 1, 2, 1, 1, 2, 2, 2, 4, 1, 1, 2, 1, 1, 2, 2, 2, 4, 2, 2, 6, 2, 2, 6, 4, 4, 8, 1, 1, 2, 1, 1, 2, 2, 2, 4, 1, 1, 2, 1, 1, 2, 2, 2, 4, 2, 2, 6, 2, 2, 6, 4, 4, 8, 2, 2, 6, 2, 2, 6, 6, 6, 12, 2, 2, 6, 2, 2, 6, 6, 6, 12, 4, 4, 12, 4, 4, 12, 8, 8, 16, 1, 1, 2, 1, 1, 2, 2, 2, 4, 1, 1, 2, 1, 1, 2, 2, 2, 4, 2, 2, 6, 2, 2, 6, 4, 4, 8, 1, 1, 2, 1]