id:A020467 - OEIS Search Results

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A020467

Primes that contain digits 5 and 7 only.

+0
2

5, 7, 557, 577, 757, 5557, 7577, 7757, 57557, 75557, 75577, 77557, 555557, 575557, 575777, 577757, 757577, 775757, 775777, 5555777, 5557757, 5575777, 5577577, 5755577, 5775557, 5777557, 7575577, 7577777, 55555777, 55575757, 55755757 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Sequence in context: A057177 A059394 A114368 this_sequence A089344 A114363 A083687` `Adjacent sequences: A020464 A020465 A020466 this_sequence A020468 A020469 A020470`
	KEYWORD	`nonn,base`
	AUTHOR	`David W. Wilson (davidwwilson(AT)comcast.net)`

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Last modified July 4 18:25 EDT 2008. Contains 140886 sequences.

AT&T Labs Research