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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.

A292421 Square array T(n,k) = number of tiles crossed by the line segment (0,0) -- (n,k) in a running bond pattern tiling with square tiles, read by antidiagonals.

Table of values

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

List of values

[1, 2, 2, 4, 3, 3, 4, 3, 4, 4, 5, 4, 4, 5, 5, 6, 8, 6, 7, 6, 6, 8, 7, 5, 6, 6, 7, 7, 8, 9, 6, 8, 8, 7, 8, 8, 9, 8, 12, 9, 7, 8, 10, 9, 9, 10, 10, 10, 7, 10, 10, 10, 9, 10, 10, 12, 11, 11, 8, 10, 9, 13, 10, 10, 11, 11, 12, 11, 12, 16, 12, 11, 12, 10, 12, 13, 12, 12]

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