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Search: id:A056779
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A056779 Puzzle 3 related to polyominoes. +0
1
1, 1, 3, 7, 21, 60, 208, 704, 2542, 9192 (list; graph; listen)
OFFSET

0,3
LINKS

M. Keller, Counting Polyforms

M. Vicher, Polyforms

CROSSREFS

Sequence in context: A096240 A035080 A091486 this_sequence A102877 A122983 A005355

Adjacent sequences: A056776 A056777 A056778 this_sequence A056780 A056781 A056782

KEYWORD

uned,nonn,obsc

AUTHOR

James A. Sellers (sellersj(AT)math.psu.edu), Aug 28 2000

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

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