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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.

A112833 Number of domino tilings of a 3-pillow of order n.

Table of values

n a(n)
0 1
1 2
2 5
3 20
4 117
5 1024
6 13357
7 259920
8 7539421
9 326177280
10 21040987113
11 2024032315968
12 290333133984905
13 62102074862600192
14 19808204598680574457
15 9421371079480456587520
16 6682097668647718038428569
17 7067102111711681259234263040
18 11145503882824383823706372042925

List of values

[1, 2, 5, 20, 117, 1024, 13357, 259920, 7539421, 326177280, 21040987113, 2024032315968, 290333133984905, 62102074862600192, 19808204598680574457, 9421371079480456587520, 6682097668647718038428569, 7067102111711681259234263040, 11145503882824383823706372042925]

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

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