A008617 - OEIS

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A008617

Expansion of 1/(1-x^2 )(1-x^7 ).

1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 1, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2, 3, 2, 3, 2, 3, 3, 3, 3, 3, 3, 3, 3, 4, 3, 4, 3, 4, 3, 4, 4, 4, 4, 4, 4, 4, 4, 5, 4, 5, 4, 5, 4, 5, 5, 5, 5, 5, 5, 5, 5, 6, 5, 6, 5, 6, 5, 6, 6 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,15`
	COMMENTS	`a(n) is the number of (n+9)-digit fixed points under the base-5 Kaprekar map A165032 (see A165036 for the list of fixed points). [From Joseph Myers (jsm(AT)polyomino.org.uk), Sep 04 2009]`
	REFERENCES	`D. J. Benson, Polynomial Invariants of Finite Groups, Cambridge, 1993, p. 100.`
	LINKS	`INRIA Algorithms Project, Encyclopedia of Combinatorial Structures 214`
	CROSSREFS	`Sequence in context: A033105 A106703 A127267 * A025824 A161232 A161056` `Adjacent sequences: A008614 A008615 A008616 * A008618 A008619 A008620`
	KEYWORD	`nonn,easy`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 14 18:47 EST 2012. Contains 205663 sequences.