A174498 - OEIS

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A174498

Topswops (2): number of permutations of cards achieving A000376(n).

1, 1, 2, 2, 1, 4, 2, 1, 1, 1, 1, 4, 1, 4, 2, 2, 1, 1, 2, 3 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,3`
	COMMENTS	`This is for the topswops variation ending in sorted/identity permutation.`
	REFERENCES	`D. E. Knuth, TAOCP, Section 7.2.1.2, Problems 107-109.`
	LINKS	`Table of n, a(n) for n=1..20.`
	CROSSREFS	`Cf. A000376.` `Sequence in context: A129712 A051720 A022693 * A146478 A098804 A191320` `Adjacent sequences: A174495 A174496 A174497 * A174499 A174500 A174501`
	KEYWORD	`nonn`
	AUTHOR	`Moritz Franckenstein, Nov 28 2010`
	EXTENSIONS	`a(20)=3 by Moritz Franckenstein, Apr 16 2011.`
	STATUS	`approved`

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Last modified June 19 23:19 EDT 2013. Contains 226416 sequences.