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.

A342243 Triangle T(n,p) read by rows: the number of n-celled polyominoes with perimeter 2p, 2 <= p <= 1+n.

Table of values

n a(n)
1 1
2 0
3 1
4 0
5 0
6 2
7 0
8 0
9 1
10 4
11 0
12 0
13 0
14 1
15 11
16 0
17 0
18 0
19 1
20 7
21 27
22 0
23 0
24 0
25 0
26 4
27 21
28 83
29 0
30 0
31 0
32 0
33 2
34 21
35 91
36 255
37 0
38 0
39 0
40 0
41 1
42 9
43 89
44 339
45 847
46 0
47 0
48 0
49 0
50 0
51 6
52 67
53 393
54 1360
55 2829
56 0
57 0
58 0
59 0
60 0
61 1
62 45
63 325
64 1713
65 5255
66 9734
67 0
68 0
69 0
70 0
71 0
72 1
73 23
74 275

List of values

[1, 0, 1, 0, 0, 2, 0, 0, 1, 4, 0, 0, 0, 1, 11, 0, 0, 0, 1, 7, 27, 0, 0, 0, 0, 4, 21, 83, 0, 0, 0, 0, 2, 21, 91, 255, 0, 0, 0, 0, 1, 9, 89, 339, 847, 0, 0, 0, 0, 0, 6, 67, 393, 1360, 2829, 0, 0, 0, 0, 0, 1, 45, 325, 1713, 5255, 9734, 0, 0, 0, 0, 0, 1, 23, 275]