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.

A372847 Number of unit squares enclosed by a circle of radius n with an even number of rows and the maximum number of squares in each row.

Table of values

n a(n)
1 0
2 6
3 18
4 36
5 64
6 92
7 130
8 172
9 224
10 284
11 344
12 410
13 488
14 570
15 658
16 750
17 852
18 956
19 1072
20 1194
21 1312
22 1450
23 1584
24 1728
25 1882
26 2044
27 2204
28 2372
29 2548
30 2730
31 2916
32 3112
33 3312
34 3520
35 3738
36 3950
37 4184
38 4408
39 4656
40 4900
41 5146
42 5402
43 5670
44 5942
45 6222
46 6492
47 6784
48 7080
49 7382
50 7700

List of values

[0, 6, 18, 36, 64, 92, 130, 172, 224, 284, 344, 410, 488, 570, 658, 750, 852, 956, 1072, 1194, 1312, 1450, 1584, 1728, 1882, 2044, 2204, 2372, 2548, 2730, 2916, 3112, 3312, 3520, 3738, 3950, 4184, 4408, 4656, 4900, 5146, 5402, 5670, 5942, 6222, 6492, 6784, 7080, 7382, 7700]