id:A071343 - OEIS Search Results

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a(n) = least positive r <= n, such that the origin-centered sphere of radius sqrt(r) touches A071342(n) lattice points.

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1, 2, 9, 14, 14, 26, 41, 41, 74, 89, 101, 101, 146, 194, 194, 194, 269, 314, 341, 341, 341, 446, 446, 446, 614, 626, 689, 689, 794, 854, 941, 941, 941, 1154, 1154, 1286, 1361, 1361, 1361, 1361, 1634, 1634, 1781, 1889, 1889, 1889, 2141, 2141 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`a(5)=14 because the smallest sphere to touch A071342(5)=48 points has radius sqrt(14).`
	PROGRAM	`(FORTRAN) See A071339.`
	CROSSREFS	`Cf. A071339-A071347.` `Sequence in context: A063634 A163735 A144472 this_sequence A043401 A045920 A071344` `Adjacent sequences: A071340 A071341 A071342 this_sequence A071344 A071345 A071346`
	KEYWORD	`easy,nonn`
	AUTHOR	`Hugo Pfoertner (hugo(AT)pfoertner.org), May 22 2002`
	EXTENSIONS	`Edited by Don Reble (djr(AT)nk.ca), Nov 06 2005`

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Last modified December 1 19:22 EST 2009. Contains 167811 sequences.

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