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.

A283305 List points (x,y) having integer coordinates with x >= 0, y >= 0, sorted first by x^2+y^2 and in case of a tie, by x-coordinate. Sequence gives x-coordinates.

Table of values

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

List of values

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