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.

A254414 Number A(n,k) of tilings of a k X n rectangle using polyominoes 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 2
8 2
9 1
10 1
11 4
12 7
13 4
14 1
15 1
16 8
17 29
18 29
19 8
20 1
21 1
22 16
23 124
24 257
25 124
26 16
27 1
28 1
29 32
30 533
31 2408
32 2408
33 533
34 32
35 1
36 1
37 64
38 2293
39 22873
40 50128
41 22873
42 2293
43 64
44 1
45 1
46 128
47 9866
48 217969
49 1064576
50 1064576
51 217969
52 9866
53 128
54 1
55 1
56 256
57 42451
58 2078716
59 22734496
60 50796983
61 22734496
62 2078716
63 42451
64 256
65 1

List of values

[1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 4, 7, 4, 1, 1, 8, 29, 29, 8, 1, 1, 16, 124, 257, 124, 16, 1, 1, 32, 533, 2408, 2408, 533, 32, 1, 1, 64, 2293, 22873, 50128, 22873, 2293, 64, 1, 1, 128, 9866, 217969, 1064576, 1064576, 217969, 9866, 128, 1, 1, 256, 42451, 2078716, 22734496, 50796983, 22734496, 2078716, 42451, 256, 1]