id:A077498 - OEIS Search Results

Search: id:A077498

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Primes of the form 2^r*7^s + 1.

+0
4

2, 3, 5, 17, 29, 113, 197, 257, 449, 1373, 3137, 50177, 65537, 114689, 268913, 470597, 614657, 1075649, 3294173, 7340033, 9834497, 210827009, 275365889, 359661569, 469762049, 1129900997, 1438646273, 1927561217, 7909306973, 52613349377 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`197 = 2^2*7^2 + 1 is a member.`
	CROSSREFS	`Sequence in context: A057468 A127062 A029972 this_sequence A118958 A163588 A053182` `Adjacent sequences: A077495 A077496 A077497 this_sequence A077499 A077500 A077501`
	KEYWORD	`nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 07 2002`
	EXTENSIONS	`Corrected and extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Aug 02 2003`

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Last modified December 5 20:25 EST 2009. Contains 170428 sequences.

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