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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.

A233507 Number of tilings of a 2 X 4 X n box using bricks of shape 3 X 1 X 1 and 2 X 1 X 1.

Table of values

n a(n)
0 1
1 7
2 201
3 9787
4 379688
5 16512483
6 726964790
7 31549810845
8 1378740599284
9 60239603421159
10 2630166605483293
11 114886450998314920
12 5017916294582867990
13 219163121582772423673
14 9572435654283943792842
15 418094220600909382190818
16 18261053013117932038592765

List of values

[1, 7, 201, 9787, 379688, 16512483, 726964790, 31549810845, 1378740599284, 60239603421159, 2630166605483293, 114886450998314920, 5017916294582867990, 219163121582772423673, 9572435654283943792842, 418094220600909382190818, 18261053013117932038592765]

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

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