id:A112385 - OEIS Search Results

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6*binomial(4*n-1,n-1)/(4*n-1).

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2

2, 6, 30, 182, 1224, 8778, 65780, 508950, 4034712, 32602328, 267535086, 2223463866, 18676869400, 158310871740, 1352392098120, 11631593739990, 100637721972216, 875325840117960, 7649219033276888, 67126255864788120, 591311470790795040 (list; graph; listen)

	OFFSET	`1,1`
	REFERENCES	`Madeline Jones, The Mysterious Flexagons (1966).` `M. Kosters, A theory of hexaflexagons, Nieuw Archief Wisk., 17 (1999), 349-362.`
	LINKS	`Vernon Gutenkunst, Trailblazing Hexagons`
	CROSSREFS	`Equals 2*A006632.` `Sequence in context: A096769 A111059 A009645 this_sequence A078700 A104561 A127482` `Adjacent sequences: A112382 A112383 A112384 this_sequence A112386 A112387 A112388`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Dec 05 2005`

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.

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