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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.

A270065 Number of tilings of a 5 X n rectangle using monominoes and trominoes of any shape.

Table of values

n a(n)
0 1
1 4
2 140
3 3710
4 96176
5 2501946
6 65410388
7 1707101599
8 44538604036
9 1162378878394
10 30334909910156
11 791636651386694
12 20659194865202206
13 539139829390310029
14 14069828639020139191
15 367177676400256677129
16 9582168262012437486944
17 250064069442551102774366

List of values

[1, 4, 140, 3710, 96176, 2501946, 65410388, 1707101599, 44538604036, 1162378878394, 30334909910156, 791636651386694, 20659194865202206, 539139829390310029, 14069828639020139191, 367177676400256677129, 9582168262012437486944, 250064069442551102774366]

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

Content is available under The OEIS End-User License Agreement.