id:A052012 - OEIS Search Results

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A052012

Number of primes between successive Lucas numbers.

+0
4

1, 0, 1, 0, 2, 2, 4, 6, 9, 15, 20, 31, 48, 72, 110, 170, 257, 400, 608, 950, 1448, 2256, 3487, 5413, 8440, 13118, 20478, 31932, 49995, 78222, 122553, 192262, 301826, 474039, 745772, 1173270, 1848000, 2912623, 4593723, 7249438, 11448047 (list; graph; listen)

	OFFSET	`1,5`
	EXAMPLE	`Between Luc(7)=29 and Luc(8)=47 we find the following primes: 31, 37, 41 and 43 hence a(7)=4.`
	CROSSREFS	`Cf. A000204, A052011.` `Sequence in context: A058518 A018139 A025049 this_sequence A018061 A071058 A076178` `Adjacent sequences: A052009 A052010 A052011 this_sequence A052013 A052014 A052015`
	KEYWORD	`nonn,nice`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com), Nov 15 1999.`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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