id:A071185 - OEIS Search Results

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Smallest k such that prime(k*n)-k*prime(n) is prime.

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7, 4, 2, 2, 2, 2, 6, 6, 4, 2, 2, 6, 2, 8, 2, 20, 4, 2, 2, 2, 6, 6, 8, 6, 6, 2, 4, 12, 2, 8, 6, 8, 2, 2, 6, 4, 2, 4, 6, 26, 24, 2, 2, 2, 4, 8, 18, 4, 2, 2, 4, 12, 4, 4, 18, 8, 6, 16, 4, 2, 2, 2, 4, 2, 2, 2, 4, 18, 6, 6, 4, 2, 4, 4, 6, 18, 2, 6, 2, 18, 4, 24, 6, 2, 6, 6, 18, 40, 2, 4, 2, 2, 18, 8, 34, 2, 2 (list; graph; listen)

	OFFSET	`1,1`
	PROGRAM	`(PARI) for(n=1, 210, s=1; while(isprime(prime(sn)-sprime(n))==0, s++); print1(s, ", "))`
	CROSSREFS	`Sequence in context: A103240 A155531 A021578 this_sequence A165244 A019608 A071875` `Adjacent sequences: A071182 A071183 A071184 this_sequence A071186 A071187 A071188`
	KEYWORD	`easy,nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Jun 10 2002`

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.

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