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.

A078183 Number of solutions to x^2 + y^2 + z^2 < n^2; number of lattice points inside a sphere of radius n.

Table of values

n a(n)
0 0
1 1
2 27
3 93
4 251
5 485
6 895
7 1365
8 2103
9 2969
10 4139
11 5497
12 7123
13 9093
14 11459
15 13997
16 17071
17 20377
18 24303
19 28545
20 33371
21 38641
22 44395
23 50733
24 57747
25 65117
26 73447
27 82201
28 91911
29 101769
30 112931
31 124289
32 137059
33 150165
34 164415
35 179309
36 195167

List of values

[0, 1, 27, 93, 251, 485, 895, 1365, 2103, 2969, 4139, 5497, 7123, 9093, 11459, 13997, 17071, 20377, 24303, 28545, 33371, 38641, 44395, 50733, 57747, 65117, 73447, 82201, 91911, 101769, 112931, 124289, 137059, 150165, 164415, 179309, 195167]