id:A141862 - OEIS Search Results

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Primes of the form n/(p(n-1)-p(n-2)), where p(n)=n-th prime.

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3, 2, 2, 3, 11, 7, 13, 31, 7, 13, 23, 17, 53, 59, 61, 31, 71, 73, 89, 31, 107, 31, 149, 31, 79, 167, 193, 223, 83, 257, 263, 47, 293, 157, 53, 109, 179, 193, 67, 47, 433, 443, 31, 157, 71, 251, 503, 509, 173, 521, 271, 37, 83, 197, 613, 617, 313, 631, 643, 109, 661, 337, 227 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`n=3: 3/(p(3-1)-p(3-2))=3/(3-2)=3=a(1).` `n=4: 4/(p(4-1)-p(4-2))=4/(5-3)=2=a(2).` `n=8: 8/(p(8-1)-p(8-2))=8/(17-13)=2=a(3).` `n=18: 18/(p(18-1)-p(18-2))=18/(59-53)=3=a(4).` `n=22: 22/(p(22-1)-p(22-2))=22/(73-71)=11=a(5).`
	CROSSREFS	`Cf. A000040, A001223.` `Sequence in context: A032450 A046460 A117643 this_sequence A106267 A111739 A058743` `Adjacent sequences: A141859 A141860 A141861 this_sequence A141863 A141864 A141865`
	KEYWORD	`nonn`
	AUTHOR	`Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), Sep 15 2008`
	EXTENSIONS	`Corrected and extended by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 26 2008`

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Last modified December 2 15:58 EST 2008. Contains 150992 sequences.

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