id:A088212 - OEIS Search Results

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Smallest k>1 such that n+k^2 is prime.

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2, 3, 2, 3, 6, 5, 2, 3, 2, 3, 6, 5, 2, 3, 2, 5, 6, 5, 2, 3, 4, 3, 6, 7, 2, 9, 2, 3, 12, 7, 4, 3, 2, 3, 6, 5, 2, 3, 2, 7, 24, 5, 2, 3, 4, 5, 6, 5, 2, 3, 4, 3, 6, 5, 2, 9, 2, 3, 18, 7, 6, 3, 2, 3, 6, 25, 2, 9, 2, 3, 6, 5, 4, 3, 2, 5, 6, 5, 2, 3, 4, 5, 12, 5, 2, 9, 4, 3, 12, 7, 4, 3, 2, 3, 6, 19, 2, 3, 2, 3, 6, 5, 2 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Does such k exist for any n?`
	EXAMPLE	`n=1: 1+2^2=5; n=5: 5+6^2=41.`
	CROSSREFS	`Cf. A088213.` `Adjacent sequences: A088209 A088210 A088211 this_sequence A088213 A088214 A088215` `Sequence in context: A085207 A085203 A118088 this_sequence A085208 A085211 A085212`
	KEYWORD	`easy,nonn`
	AUTHOR	`Zak Seidov (zakseidov(AT)yahoo.com), Sep 23 2003`

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Last modified May 16 23:01 EDT 2008. Contains 139884 sequences.

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