A025810 - OEIS

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A025810

Expansion of 1/((1-x^2)(1-x^5)(1-x^10)).

1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 3, 1, 3, 1, 3, 3, 3, 3, 3, 3, 6, 3, 6, 3, 6, 6, 6, 6, 6, 6, 10, 6, 10, 6, 10, 10, 10, 10, 10, 10, 15, 10, 15, 10, 15, 15, 15, 15, 15, 15, 21, 15, 21, 15, 21, 21, 21, 21, 21, 21, 28, 21, 28, 21, 28, 28, 28, 28, 28, 28, 36, 28, 36, 28, 36, 36, 36, 36, 36, 36 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,11`
	FORMULA	`G.f.: 1/((1-x^2)(1-x^5)(1-x^10)).`
	MATHEMATICA	`CoefficientList[Series[1/((1-x^2)(1-x^5)(1-x^10)), {x, 0, 85}], x] (* From Harvey P. Dale, Apr 06 2011 *)`
	PROG	`(PARI) a(n)=polcoeff(1/((1-x^2)(1-x^5)(1-x^10))+x*O(x^n), n)`
	CROSSREFS	`a(n)=A000217(A008616(n))=A000008(n)-A000008(n-1).` `Sequence in context: A135023 A087822 A163378 * A001319 A110919 A109599` `Adjacent sequences: A025807 A025808 A025809 * A025811 A025812 A025813`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 13 12:58 EST 2012. Contains 205482 sequences.