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.

A330848 Table read by rows: T(n,k) = number of k-sided polygons in a cross with width 3 and height n (see Comments in A331455 for definition) for k = 3,4,5.

Table of values

n a(n)
1 50
2 14
3 0
4 84
5 20
6 0
7 132
8 42
9 2
10 188
11 116
12 0
13 290
14 202
15 0
16 428
17 350
18 0
19 634
20 542
21 0
22 890
23 840
24 2
25 1290
26 1156
27 0
28 1776
29 1640
30 0
31 2392
32 2220
33 2
34 3108
35 3064
36 0
37 4112
38 3946
39 2
40 5260
41 5076
42 4
43 6696
44 6350
45 6
46 8308
47 8072
48 8
49 10334
50 9886
51 8
52 12588
53 12256
54 8

List of values

[50, 14, 0, 84, 20, 0, 132, 42, 2, 188, 116, 0, 290, 202, 0, 428, 350, 0, 634, 542, 0, 890, 840, 2, 1290, 1156, 0, 1776, 1640, 0, 2392, 2220, 2, 3108, 3064, 0, 4112, 3946, 2, 5260, 5076, 4, 6696, 6350, 6, 8308, 8072, 8, 10334, 9886, 8, 12588, 12256, 8]