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A054359
Number of polyominoes with n cells that tile the plane.
13
1, 1, 2, 5, 12, 35, 104, 343, 1050, 3070, 6620, 23449, 38669, 109104, 279583, 546893, 827035, 3057332, 3381124, 12126683, 21921192, 37008138, 53327764, 220908809, 271293803
OFFSET
1,3
REFERENCES
Glenn C. Rhoads (rhoads(AT)paul.rutgers.edu), rec.puzzles, Feb 17 2000.
CROSSREFS
Sequence in context: A075202 A075203 A075205 * A148287 A036357 A000104
KEYWORD
nonn,hard
AUTHOR
Joe Keane (jgk(AT)jgk.org)
EXTENSIONS
Corrected and extended by Joseph Myers, May 05 2002
More terms from Joseph Myers, Nov 04 2003
a(24) and a(25) from Joseph Myers, Nov 17 2010
STATUS
approved