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Decimal expansion of growth constant C for dimer model on square grid.

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1, 3, 3, 8, 5, 1, 5, 1, 5, 1, 9, 7, 6, 1, 5, 0, 0, 2, 4, 6, 5, 7, 3, 9, 0, 4, 7, 0, 3, 1, 7, 3, 0, 3, 7, 8, 6, 1, 8, 0, 8, 1, 0, 9, 3, 0, 8, 6, 5, 2, 3, 9, 6, 3, 4, 3, 5, 7, 6, 3, 2, 0, 6, 0, 5, 2, 7, 6, 9, 7, 6, 2, 9, 7, 3, 2, 1, 4, 4, 9, 1, 3, 8, 9, 1, 9, 3, 8, 5, 8, 0, 7, 9, 4, 9 (list; cons; graph; listen)

	OFFSET	`1,2`
	REFERENCES	`P. W. Kasteleyn, The statistics of dimers on a lattice. I: The number of dimer arrangements on a quadratic lattice, Physica 27 (1961) 1209-1225.`
	LINKS	`J. Propp, Enumeration of matchings: problems and progress, in New Perspectives in Algebraic Combinatorics` `F. Ardila and R. P. Stanley, Tilings`
	FORMULA	`e^(G/pi), with G = A006752 (Catalan's constant).`
	EXAMPLE	`1.33851515197615...`
	CROSSREFS	`Cf. A038758, A054344.` `Sequence in context: A143615 A016606 A069462 this_sequence A105342 A021751 A093366` `Adjacent sequences: A097466 A097467 A097468 this_sequence A097470 A097471 A097472`
	KEYWORD	`cons,nonn`
	AUTHOR	`Ralf Stephan (ralf(AT)ark.in-berlin.de), Sep 18 2004`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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