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A054360 Number of polyominoes with n cells that do not tile the plane. +0
6
0, 0, 0, 0, 0, 0, 4, 26, 235, 1585, 10453, 40151, 199922, 792867, 3146993, 12532362, 49280874, 189564720, 739243108, 2858545267, 11101139486, 43154849550, 167993679964 (list; graph; listen)
OFFSET

1,7

REFERENCES

Posting by Glenn C. Rhoads (rhoads(AT)paul.rutgers.edu) to rec.puzzles, Feb 17 2000.

LINKS

Joseph Myers, Polyomino tiling

EXAMPLE

a(7) = 4.

CROSSREFS

Cf. A000105, A054359, A054361.

Sequence in context: A066224 A136227 A000310 this_sequence A124824 A000311 A001863

Adjacent sequences: A054357 A054358 A054359 this_sequence A054361 A054362 A054363

KEYWORD

nonn,hard

AUTHOR

Joe Keane (jgk(AT)jgk.org)

EXTENSIONS

Corrected and extended by Joseph Myers (jsm(AT)polyomino.org.uk), May 05 2002

More terms from Joseph Myers (jsm(AT)polyomino.org.uk), Nov 04 2003

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Last modified December 19 12:50 EST 2009. Contains 171053 sequences.


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