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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.

A063653 Number of ways to tile a 9 X n rectangle with 1 X 1 and 2 X 2 tiles.

Table of values

n a(n)
0 1
1 1
2 55
3 341
4 5933
5 59925
6 795611
7 9167119
8 113555791
9 1355115601
10 16484061769
11 198549329897
12 2403674442213
13 29023432116879
14 350917980468767
15 4239961392742933
16 51247532773412135
17 619304595300705203
18 7484739788762129061
19 90454037365096154821

List of values

[1, 1, 55, 341, 5933, 59925, 795611, 9167119, 113555791, 1355115601, 16484061769, 198549329897, 2403674442213, 29023432116879, 350917980468767, 4239961392742933, 51247532773412135, 619304595300705203, 7484739788762129061, 90454037365096154821]

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

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