A123372 - OEIS

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A123372

Numbers n such that 10*(11*10^n-1)+ 1 is prime.

1, 29, 71, 95, 173, 298, 4937, 4982 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	COMMENTS	`The last 2 terms were found with PFGW.exe`
	PROG	`(PARI) g(n, m) = for(x=1, n, y=10(1110^x-1)+m; if(ispseudoprime(y), print1(x", ")))`
	CROSSREFS	`Sequence in context: A163426 A165945 A183194 * A031343 A155483 A141891` `Adjacent sequences: A123369 A123370 A123371 * A123373 A123374 A123375`
	KEYWORD	`hard,more,nonn`
	AUTHOR	`Cino Hilliard (hillcino368(AT)gmail.com), Oct 12 2006`

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Last modified February 15 12:25 EST 2012. Contains 205786 sequences.