A057779 - OEIS

This site is supported by donations to The OEIS Foundation.

A057779

Hexagonal polyominoes (or polyhexes, A000228) with perimeter 2n.

0, 0, 1, 0, 1, 1, 3, 2, 12, 14, 50, 98 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,7`
	LINKS	`Andrew Clarke, Isoperimetrical Polyhexes` `Picture from Andrew Clarke's page showing the polyhexes of perimeters 6, 8, ... 16.`
	CROSSREFS	`Cf. A000228, A000105, A057730.` `Sequence in context: A195200 A098646 A129925 * A005220 A152550 A114798` `Adjacent sequences: A057776 A057777 A057778 * A057780 A057781 A057782`
	KEYWORD	`nonn,nice`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Oct 29 2000`
	EXTENSIONS	`Link updated by William Rex Marshall (w.r.marshall(AT)actrix.co.nz), Dec 16 2009`

Content is available under The OEIS End-User License Agreement .

Last modified February 15 20:03 EST 2012. Contains 205852 sequences.