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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.

A356622 Number of ways to tile a hexagonal strip made up of 4*n equilateral triangles, using triangles and diamonds.

Table of values

n a(n)
0 1
1 5
2 39
3 317
4 2585
5 21085
6 171987
7 1402873
8 11443033
9 93339173
10 761354199
11 6210256613
12 50656169297
13 413195081581
14 3370372805763
15 27491645850097
16 224245398092113
17 1829137434684101
18 14920010771362215

List of values

[1, 5, 39, 317, 2585, 21085, 171987, 1402873, 11443033, 93339173, 761354199, 6210256613, 50656169297, 413195081581, 3370372805763, 27491645850097, 224245398092113, 1829137434684101, 14920010771362215]

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

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