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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.

A071096 Number of ways to tile hexagon of edges n, n+1, n+2, n, n+1, n+2 with diamonds of side 1.

Table of values

n a(n)
0 1
1 10
2 490
3 116424
4 133613766
5 739309710568
6 19702998159210080
7 2527580342020127455360
8 1560172391098377453031770400
9 4632518859090968506120863642225000
10 66153724447703043353053979949899667187500
11 4542776083800437392420665771479758969781250000000
12 1499928882906010042230116408158354282455601808812500000000

List of values

[1, 10, 490, 116424, 133613766, 739309710568, 19702998159210080, 2527580342020127455360, 1560172391098377453031770400, 4632518859090968506120863642225000, 66153724447703043353053979949899667187500, 4542776083800437392420665771479758969781250000000, 1499928882906010042230116408158354282455601808812500000000]

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

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