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.

A131294 a(n)=ds_3(a(n-1))+ds_3(a(n-2)), a(0)=0, a(1)=1; where ds_3=digital sum base 3.

Table of values

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

List of values

[0, 1, 1, 2, 3, 3, 2, 3, 3, 2, 3, 3, 2, 3, 3, 2, 3, 3, 2, 3, 3, 2, 3, 3, 2, 3, 3, 2, 3, 3, 2, 3, 3, 2, 3, 3, 2, 3, 3, 2, 3, 3, 2, 3, 3, 2, 3, 3, 2, 3, 3, 2, 3, 3, 2, 3, 3, 2, 3, 3, 2, 3, 3, 2, 3, 3, 2, 3, 3, 2, 3, 3, 2, 3, 3, 2, 3, 3, 2, 3, 3, 2, 3, 3, 2, 3, 3, 2, 3, 3, 2, 3, 3, 2, 3, 3, 2, 3, 3, 2, 3]