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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.

A225202 Number of aperiodic tilings of an n X 1 rectangle by tiles of dimension 1 X 1 and 2 X 1.

Table of values

n a(n)
1 1
2 1
3 2
4 3
5 7
6 9
7 20
8 29
9 52
10 80
11 143
12 217
13 376
14 588
15 977
16 1563
17 2583
18 4116
19 6764
20 10854
21 17688
22 28512
23 46367
24 74763
25 121385
26 196040
27 317756
28 513616
29 832039
30 1345192
31 2178308
32 3522981
33 5702741
34 9224880
35 14930324
36 24153416
37 39088168
38 63239220
39 102333776
40 165569166
41 267914295
42 433476128
43 701408732

List of values

[1, 1, 2, 3, 7, 9, 20, 29, 52, 80, 143, 217, 376, 588, 977, 1563, 2583, 4116, 6764, 10854, 17688, 28512, 46367, 74763, 121385, 196040, 317756, 513616, 832039, 1345192, 2178308, 3522981, 5702741, 9224880, 14930324, 24153416, 39088168, 63239220, 102333776, 165569166, 267914295, 433476128, 701408732]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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