A068527 - OEIS

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A068527

Difference between smallest square >= n and n.

0, 0, 2, 1, 0, 4, 3, 2, 1, 0, 6, 5, 4, 3, 2, 1, 0, 8, 7, 6, 5, 4, 3, 2, 1, 0, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	FORMULA	`a(n) = A048761(n)-n = ceil(sqrt(n))^2-n.`
	MATHEMATICA	`Table[Ceiling[Sqrt[n]]^2-n, {n, 0, 100}] (* From Vladimir Joseph Stephan Orlovsky, Feb 01 2012 *)`
	CROSSREFS	`Cf. A053186, A068869, A066857.` `Sequence in context: A131667 A086802 A092488 * A183190 A158454 A049243` `Adjacent sequences: A068524 A068525 A068526 * A068528 A068529 A068530`
	KEYWORD	`nonn`
	AUTHOR	`Vladeta Jovovic (vladeta(AT)eunet.rs), Mar 21 2002`

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Last modified February 17 12:23 EST 2012. Contains 206011 sequences.