A006726 - OEIS

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A006726

n-celled polygons with perimeter 2n on square lattice.
(Formerly M4523)

1, 8, 40, 168, 676, 2672, 10376, 39824, 151878, 576656, 2181496, 8229160, 30974700, 116385088, 436678520, 1636472360, 6126647748 (list; graph; refs; listen; history; internal format)

	OFFSET	`4,2`
	REFERENCES	`N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).`
	LINKS	`I. G. Enting and A. J. Guttmann, On the area of square lattice polygons, J. Statist. Phys., 58 (1990), 475-484.`
	CROSSREFS	`Sequence in context: A001789 A074412 A113071 * A165665 A000760 A171189` `Adjacent sequences: A006723 A006724 A006725 * A006727 A006728 A006729`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Simon Plouffe (simon.plouffe(AT)gmail.com)`

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Last modified February 15 15:20 EST 2012. Contains 205823 sequences.