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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.

A177443 Triangle, row sums = A007729; derived from the generator for A002487, Stern's diatomic series.

Table of values

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

List of values

[1, 2, 0, 3, 1, 0, 3, 2, 0, 0, 3, 3, 2, 0, 0, 3, 3, 4, 0, 0, 0, 3, 3, 6, 1, 0, 0, 0, 3, 3, 6, 2, 0, 0, 0, 0, 3, 3, 6, 3, 3, 0, 0, 0, 0, 3, 3, 6, 3, 6, 0, 0, 0, 0, 0, 3, 3, 6, 3, 9, 2, 0, 0, 0, 0, 0, 3, 3, 6, 3, 9, 4, 0, 0, 0, 0, 0, 0, 3, 3, 6, 3, 9, 6, 3]

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