id:A079666 - OEIS Search Results

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Least k such the distance from k^2 to closest prime = n or zero if no k exists.

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1, 3, 8, 17, 12, 11, 18, 51, 200, 59, 238, 41, 276, 165, 104, 281, 214, 397, 348, 159, 650, 305, 778, 923, 2242, 1155, 1090, 911, 822, 1871, 1280, 1099, 1516, 3253, 2578 (list; graph; listen)

	OFFSET	`1,2`
	PROGRAM	`(PARI) a(n)=if(n<0, 0, s=1; while(abs(n-min(abs(precprime(s^2)-s^2), abs(nextprime(s^2)-s^2)))>0, s++); s)`
	CROSSREFS	`Cf. A051699, A060272.` `Sequence in context: A027291 A048952 A132794 this_sequence A048230 A073433 A059518` `Adjacent sequences: A079663 A079664 A079665 this_sequence A079667 A079668 A079669`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Jan 26 2003`

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

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