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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.

A010073 a(n) = sum of base-6 digits of a(n-1) + sum of base-6 digits of a(n-2); a(0)=0, a(1)=1.

Table of values

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

List of values

[0, 1, 1, 2, 3, 5, 8, 8, 6, 4, 5, 9, 9, 8, 7, 5, 7, 7, 4, 6, 5, 6, 6, 2, 3, 5, 8, 8, 6, 4, 5, 9, 9, 8, 7, 5, 7, 7, 4, 6, 5, 6, 6, 2, 3, 5, 8, 8, 6, 4, 5, 9, 9, 8, 7, 5, 7, 7, 4, 6, 5, 6, 6, 2, 3, 5, 8, 8, 6, 4, 5, 9, 9, 8, 7, 5, 7, 7, 4, 6, 5, 6, 6]

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