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.

A057655 The circle problem: number of points (x,y) in square lattice with x^2 + y^2 <= n.

Table of values

n a(n)
0 1
1 5
2 9
3 9
4 13
5 21
6 21
7 21
8 25
9 29
10 37
11 37
12 37
13 45
14 45
15 45
16 49
17 57
18 61
19 61
20 69
21 69
22 69
23 69
24 69
25 81
26 89
27 89
28 89
29 97
30 97
31 97
32 101
33 101
34 109
35 109
36 113
37 121
38 121
39 121
40 129
41 137
42 137
43 137
44 137
45 145
46 145
47 145
48 145
49 149
50 161
51 161
52 169
53 177
54 177
55 177

List of values

[1, 5, 9, 9, 13, 21, 21, 21, 25, 29, 37, 37, 37, 45, 45, 45, 49, 57, 61, 61, 69, 69, 69, 69, 69, 81, 89, 89, 89, 97, 97, 97, 101, 101, 109, 109, 113, 121, 121, 121, 129, 137, 137, 137, 137, 145, 145, 145, 145, 149, 161, 161, 169, 177, 177, 177]