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.

A280317 Ordinate of points (x,y) of the square lattice such that x >= 0 and 0 <= y <= x, and ranked in order of increasing distance from the origin. Equidistant points are ranked in order of increasing ordinate.

Table of values

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

List of values

[0, 0, 1, 0, 1, 2, 0, 1, 2, 0, 1, 3, 2, 0, 3, 1, 2, 4, 3, 0, 1, 2, 4, 3, 0, 1, 5, 4, 2, 3, 5, 0, 1, 4, 2, 6, 3, 5, 4, 0, 1, 2, 6, 5, 3, 4, 7, 0, 6, 1, 2, 5, 3, 7, 4, 6, 0, 1, 2, 5, 8, 3, 7, 6, 4, 0, 1, 8, 5, 2, 7, 3, 6, 4, 9, 8, 0, 5, 1, 7, 2, 3, 6, 9, 4, 8, 7, 5, 0, 1, 2, 10, 9, 3, 6, 8, 4, 7, 5, 10]