id:A122712 - OEIS Search Results

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Least prime P of a quartet of 4 different primes with 2 pairs of twin primes, the first pair of twin primes P and P+2, the second one Q and Q+2 with Q such that all digits are the same as P if not 6 or 9 and if 6 then replace by 9 if 9 replace by 6.

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1061, 14561, 16691, 36341, 55631, 62981, 64151, 68711, 76961, 100361, 106451, 115601, 136991, 155861, 167861, 205661, 207671, 241361 (list; graph; listen)

	OFFSET	`0,1`
	EXAMPLE	`16691 and 16693 twin primes, as 19961 and 19963 are twin primes too P(3)=16691`
	CROSSREFS	`Sequence in context: A048895 A020374 A142822 this_sequence A080334 A123211 A023078` `Adjacent sequences: A122709 A122710 A122711 this_sequence A122713 A122714 A122715`
	KEYWORD	`base,nonn`
	AUTHOR	`Pierre CAMI (pierrecami(AT)tele2.fr), Sep 23 2006`

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Last modified July 23 17:35 EDT 2008. Contains 142285 sequences.

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