id:A054361 - OEIS Search Results

Search: id:A054361

Displaying 1-1 of 1 results found.

page 1

Number of polyominoes with n cells without holes that do not tile the plane.

+0
5

0, 0, 0, 0, 0, 0, 3, 20, 198, 1390, 9474, 35488, 178448, 696371, 2721544, 10683110, 41334494, 155723774, 596182769, 2257379379, 8587521496, 32688629235, 124568505590 (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) = 3.`
	CROSSREFS	`Cf. A000104, A054360.` `Sequence in context: A120485 A087152 A158833 this_sequence A052595 A052590 A081209` `Adjacent sequences: A054358 A054359 A054360 this_sequence A054362 A054363 A054364`
	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`

page 1

Search completed in 0.002 seconds

Last modified December 6 22:55 EST 2009. Contains 170429 sequences.

AT&T Labs Research