id:A057437 - OEIS Search Results

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Numbers n such that 10*7^n + 1 is prime.

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1, 2, 5, 7, 9, 11, 14, 22, 45, 54, 67, 74, 321, 706, 902, 962 (list; graph; listen)

	OFFSET	`1,2`
	MATHEMATICA	`Do[ If[ PrimeQ[ 10*7^n + 1], Print[n]], {n, 1, 1000}]`
	CROSSREFS	`Sequence in context: A024704 A024510 A029905 this_sequence A024666 A024671 A047386` `Adjacent sequences: A057434 A057435 A057436 this_sequence A057438 A057439 A057440`
	KEYWORD	`nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), Sep 08 2000`

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.