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.

A357060 Number of vertices in a square when n internal squares are drawn between the 4n points that divide each side into n+1 equal parts.

Table of values

n a(n)
0 4
1 8
2 20
3 40
4 68
5 88
6 148
7 168
8 260
9 296
10 404
11 436
12 580
13 632
14 788
15 840
16 1028
17 1072
18 1300
19 1384
20 1604
21 1688
22 1940
23 1972
24 2308
25 2408
26 2708
27 2808
28 3140
29 3220
30 3604
31 3696
32 4084
33 4232
34 4628
35 4716
36 5188
37 5336
38 5764
39 5908
40 6404
41 6496
42 7060
43 7224
44 7732
45 7928
46 8468
47 8524
48 9220
49 9368
50 9988
51 10216

List of values

[4, 8, 20, 40, 68, 88, 148, 168, 260, 296, 404, 436, 580, 632, 788, 840, 1028, 1072, 1300, 1384, 1604, 1688, 1940, 1972, 2308, 2408, 2708, 2808, 3140, 3220, 3604, 3696, 4084, 4232, 4628, 4716, 5188, 5336, 5764, 5908, 6404, 6496, 7060, 7224, 7732, 7928, 8468, 8524, 9220, 9368, 9988, 10216]