id:A020470 - OEIS Search Results

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A020470

Primes that contain digits 7 and 8 only.

+0
2

7, 787, 877, 887, 7877, 8887, 78787, 78877, 78887, 87877, 87887, 777787, 777877, 778777, 787777, 878777, 888887, 7778777, 7788787, 7877777, 7878877, 7878887, 7888877, 8787887, 8788777, 8877787, 8887777, 77778887, 77787887, 77877887 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Sequence in context: A112904 A137050 A114911 this_sequence A014013 A001467 A047788` `Adjacent sequences: A020467 A020468 A020469 this_sequence A020471 A020472 A020473`
	KEYWORD	`nonn,base`
	AUTHOR	`David W. Wilson (davidwwilson(AT)comcast.net)`

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.

AT&T Labs Research