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.

A233427 Number A(n,k) of tilings of a k X n rectangle using pentominoes of any shape; square array A(n,k), n>=0, k>=0, read by antidiagonals.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 0
5 1
6 1
7 0
8 0
9 1
10 1
11 0
12 0
13 0
14 1
15 1
16 0
17 0
18 0
19 0
20 1
21 1
22 1
23 0
24 0
25 0
26 1
27 1
28 1
29 0
30 5
31 0
32 0
33 5
34 0
35 1
36 1
37 0
38 0
39 56
40 0
41 56
42 0
43 0
44 1
45 1
46 0
47 0
48 0
49 501
50 501
51 0
52 0
53 0
54 1
55 1
56 0
57 0
58 0
59 0
60 4006
61 0
62 0
63 0
64 0
65 1
66 1
67 1
68 0
69 0
70 0
71 27950
72 27950
73 0
74 0
75 0
76 1
77 1
78 1
79 0
80 45
81 0
82 0
83 214689
84 0
85 214689
86 0
87 0
88 45
89 0
90 1

List of values

[1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 5, 0, 0, 5, 0, 1, 1, 0, 0, 56, 0, 56, 0, 0, 1, 1, 0, 0, 0, 501, 501, 0, 0, 0, 1, 1, 0, 0, 0, 0, 4006, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 27950, 27950, 0, 0, 0, 1, 1, 1, 0, 45, 0, 0, 214689, 0, 214689, 0, 0, 45, 0, 1]