id:A053714 - OEIS Search Results

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Smallest (in magnitude) nonzero number m such that n!+m is prime.

+0
3

1, 1, 1, -1, 7, -1, -1, 23, -13, 11, 1, -1, -23, -1, 43, 23, 31, 37, 89, 29, 31, 31, -89, -73, 41, -37, 1, 67, -31, -1, -61, -1, -1, 97, 61, -127, 1, -1, -73, 53, 1, -79, 71, 47, -53, -89, -79, 53, -59, 61, -179, 53, -59, -127, -61, 149, 107, -109, -137, -139, -71, -71, -101, 67, -127, 283, 73, 83, -103, -97, -751, 101 (list; graph; listen)

	OFFSET	`1,5`
	COMMENT	`Abs[a(n)]= min{A0333392(n), A033393(n)}, signed according to its sense.`
	EXAMPLE	`n=6, n!=720, closest upper and lower neighbors A037151(6)=727, A006990(6)=719, the differences are 7 and -1, so a(6)=-1 having smaller absolute value`
	CROSSREFS	`Cf. A033392, A033393, A037151, A006990. Essentially the same as A056752.` `Adjacent sequences: A053711 A053712 A053713 this_sequence A053715 A053716 A053717` `Sequence in context: A119727 A046739 A056752 this_sequence A033933 A108267 A022170`
	KEYWORD	`sign`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Feb 10 2000`

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Last modified October 13 02:37 EDT 2008. Contains 145008 sequences.

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