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.

A250662 Number A(n,k) of tilings of a 2k X n rectangle using 2n k-ominoes of shape I; 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 1
5 1
6 1
7 1
8 1
9 1
10 1
11 1
12 5
13 1
14 1
15 1
16 1
17 1
18 11
19 1
20 1
21 1
22 1
23 1
24 6
25 36
26 1
27 1
28 1
29 1
30 1
31 1
32 13
33 95
34 1
35 1
36 1
37 1
38 1
39 1
40 7
41 22
42 281
43 1
44 1
45 1
46 1
47 1
48 1
49 1
50 15
51 64
52 781
53 1
54 1
55 1
56 1
57 1
58 1
59 1
60 8
61 25
62 155
63 2245
64 1
65 1
66 1
67 1
68 1
69 1
70 1
71 1
72 17
73 37
74 321
75 6336
76 1
77 1

List of values

[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 5, 1, 1, 1, 1, 1, 11, 1, 1, 1, 1, 1, 6, 36, 1, 1, 1, 1, 1, 1, 13, 95, 1, 1, 1, 1, 1, 1, 7, 22, 281, 1, 1, 1, 1, 1, 1, 1, 15, 64, 781, 1, 1, 1, 1, 1, 1, 1, 8, 25, 155, 2245, 1, 1, 1, 1, 1, 1, 1, 1, 17, 37, 321, 6336, 1, 1]