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.

A065363 Sum of balanced ternary digits in n. Replace 3^k with 1 in balanced ternary expansion of n.

Table of values

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

List of values

[0, 1, 0, 1, 2, -1, 0, 1, 0, 1, 2, 1, 2, 3, -2, -1, 0, -1, 0, 1, 0, 1, 2, -1, 0, 1, 0, 1, 2, 1, 2, 3, 0, 1, 2, 1, 2, 3, 2, 3, 4, -3, -2, -1, -2, -1, 0, -1, 0, 1, -2, -1, 0, -1, 0, 1, 0, 1, 2, -1, 0, 1, 0, 1, 2, 1, 2, 3, -2, -1, 0, -1, 0, 1, 0, 1, 2, -1, 0, 1, 0, 1, 2, 1, 2, 3, 0, 1, 2, 1, 2, 3, 2, 3, 4, -1, 0, 1, 0, 1, 2, 1, 2, 3, 0, 1, 2, 1, 2]