A057191 - OEIS

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A057191

Numbers n such that (25^n+1)/26 is a prime.

3, 7, 23, 29, 59, 1249, 1709, 1823, 1931, 3433, 8863 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	COMMENTS	`Some of the larger terms may only correspond to probable primes.`
	LINKS	`H. Dubner and T. Granlund, Primes of the Form (b^n+1)/(b+1), J. Integer Sequences, 3 (2000), #P00.2.7.`
	CROSSREFS	`Sequence in context: A072584 A139513 A144593 * A090548 A087309 A127781` `Adjacent sequences: A057188 A057189 A057190 * A057192 A057193 A057194`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Sep 15 2000`

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Last modified February 16 04:47 EST 2012. Contains 205860 sequences.