A077111 - OEIS

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A077111

A077110(n) - n^2.

0, 0, -3, -1, -8, 2, -9, 15, 0, -17, 25, 4, -19, -44, 20, -9, -40, 54, 19, -18, -57, 71, 28, -17, -64, 104, 53, 0, -55, -112, 100, 39, -24, -89, -156, 106, 35, -38, -113, -190, 128, 47, -36, -121, -208, 172, 81, -12, -107, -204, 244, 143, 40, -65, -172 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	COMMENTS	`a(n)=0 iff n = m^(6*k).`
	FORMULA	`a(n) = if A075847(n) < A077109(n) then -A075847(n) else A077109(n).`
	EXAMPLE	`A077110(20)=343=7^3 is the nearest cube to 20^2=400, therefore a(20)=343-400=-57.`
	CROSSREFS	`Cf. A000290, A077110, A077119.` `Sequence in context: A010288 A143291 A200064 * A073072 A185452 A179449` `Adjacent sequences: A077108 A077109 A077110 * A077112 A077113 A077114`
	KEYWORD	`sign`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Oct 29 2002`

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Last modified February 16 17:11 EST 2012. Contains 205938 sequences.