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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.

A126696 Tenth-squares: floor(n/10)*ceiling(n/10).

Table of values

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

List of values

[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 4, 6, 6, 6, 6, 6, 6, 6, 6, 6, 9, 12, 12, 12, 12, 12, 12, 12, 12, 12, 16, 20, 20, 20, 20, 20, 20, 20, 20, 20, 25, 30, 30, 30, 30, 30, 30, 30, 30, 30, 36, 42, 42, 42, 42, 42, 42, 42, 42, 42, 49, 56, 56, 56, 56, 56, 56, 56, 56, 56]

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