id:A064981 - OEIS Search Results

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n*10^10-1, n*10^10-3, n*10^10-7 and n*10^10-9 are all prime.

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13532, 72938, 84614, 118802, 153854, 195725, 233642, 269750, 329621, 425381, 432449, 456401, 488633, 494345, 586346, 628883, 660005, 693500, 702563, 712199, 760196, 804485, 831188, 862790, 981359, 982922, 1040756, 1067657, 1105667 (list; graph; listen)

	OFFSET	`1,1`
	MATHEMATICA	`Select[ Range[2 10^6], PrimeQ[10^10# - 1] && PrimeQ[10^10# - 3] && PrimeQ[10^10# - 7] && PrimeQ[10^10# - 9] &]`
	CROSSREFS	`Sequence in context: A115925 A029557 A115922 this_sequence A108418 A088870 A047827` `Adjacent sequences: A064978 A064979 A064980 this_sequence A064982 A064983 A064984`
	KEYWORD	`nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), Oct 30 2001`

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

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