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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.

A356623 Number of ways to tile a hexagonal strip made up of 4*n+2 equilateral triangles, using triangles and diamonds.

Table of values

n a(n)
0 2
1 18
2 148
3 1208
4 9854
5 80378
6 655632
7 5347896
8 43622018
9 355818522
10 2902360468
11 23674136576
12 193106524430
13 1575142124306
14 12848207584320
15 104800979913168
16 854846508252578
17 6972859922465346
18 56876614724333236

List of values

[2, 18, 148, 1208, 9854, 80378, 655632, 5347896, 43622018, 355818522, 2902360468, 23674136576, 193106524430, 1575142124306, 12848207584320, 104800979913168, 854846508252578, 6972859922465346, 56876614724333236]

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

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