id:A027562 - OEIS Search Results

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Number of 5-unbalanced strings of length n (=2^n-A027560[ n ]).

+0
1

0, 0, 0, 0, 0, 0, 2, 6, 24, 62, 178, 426, 1070, 2444, 5720, 12662, 28392, 61464, 133980, 285304, 609750, 1282278, 2701396, 5626046, 11725614, 24234418, 50093914, 102905764, 211350724, 432051438, 882876204, 1797686520 (list; graph; listen)

	OFFSET	`0,7`
	FORMULA	`G.f.: 2x^6/[(1-2x)(1-3x^2)(1-x-2x^2+x^3)].`
	CROSSREFS	`Adjacent sequences: A027559 A027560 A027561 this_sequence A027563 A027564 A027565` `Sequence in context: A118038 A022917 A107762 this_sequence A096259 A087645 A107761`
	KEYWORD	`nonn`
	AUTHOR	`R. K. Guy (rkg(AT)cpsc.ucalgary.ca), callan(AT)bayes.stat.wisc.edu (David Callan)`

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Last modified November 8 20:39 EST 2009. Contains 166234 sequences.

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