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.

A265337 Number of 1-bits in base-3 reversal of n: a(n) = A000120(A263273(n)).

Table of values

n a(n)
0 0
1 1
2 1
3 2
4 1
5 3
6 2
7 2
8 1
9 2
10 2
11 3
12 2
13 3
14 3
15 3
16 1
17 3
18 2
19 3
20 2
21 4
22 3
23 4
24 2
25 2
26 3
27 4
28 3
29 5
30 4
31 3
32 1
33 4
34 4
35 3
36 2
37 5
38 4
39 4
40 2
41 3
42 2
43 3
44 3
45 6
46 2
47 5
48 2
49 4
50 3
51 4
52 3
53 5
54 4
55 4
56 3
57 2
58 3
59 2
60 4
61 5
62 3
63 4
64 1
65 5
66 3
67 3
68 2
69 3
70 3
71 4
72 2
73 3
74 5
75 4
76 3
77 4
78 4
79 4
80 2
81 3
82 3
83 4
84 3
85 5
86 6
87 4
88 2
89 5
90 4
91 5
92 4
93 6
94 5
95 5
96 2
97 3
98 4
99 5
100 3
101 5
102 3
103 7
104 3
105 6
106 4
107 6
108 4
109 4
110 4
111 5
112 3
113 3
114 5
115 4
116 5
117 5
118 5
119 6
120 4
121 5
122 4
123 4
124 3
125 5
126 4
127 5
128 4

List of values

[0, 1, 1, 2, 1, 3, 2, 2, 1, 2, 2, 3, 2, 3, 3, 3, 1, 3, 2, 3, 2, 4, 3, 4, 2, 2, 3, 4, 3, 5, 4, 3, 1, 4, 4, 3, 2, 5, 4, 4, 2, 3, 2, 3, 3, 6, 2, 5, 2, 4, 3, 4, 3, 5, 4, 4, 3, 2, 3, 2, 4, 5, 3, 4, 1, 5, 3, 3, 2, 3, 3, 4, 2, 3, 5, 4, 3, 4, 4, 4, 2, 3, 3, 4, 3, 5, 6, 4, 2, 5, 4, 5, 4, 6, 5, 5, 2, 3, 4, 5, 3, 5, 3, 7, 3, 6, 4, 6, 4, 4, 4, 5, 3, 3, 5, 4, 5, 5, 5, 6, 4, 5, 4, 4, 3, 5, 4, 5, 4]