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A054360 Number of polyominoes with n cells that do not tile the plane. 5
0, 0, 0, 0, 0, 0, 4, 26, 235, 1585, 10453, 40151, 199922, 792867, 3146993, 12532362, 49280874, 189564720, 739243108, 2858545267, 11101139486, 43154849550, 167993679964, 654778791594, 2556955750961 (list; graph; refs; listen; history; text; internal format)
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
Sequence in context: A136227 A346978 A000310 * A124824 A000311 A244451
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

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Last modified March 29 06:44 EDT 2024. Contains 371265 sequences. (Running on oeis4.)