id:A068687 - OEIS Search Results

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Primes which are a sandwich of numbers made of only one digit between two 3's.

+0
3

313, 353, 373, 383, 3222223, 3444443, 322222223, 355555553, 3111111111113, 3444444444443, 3888888888883, 311111111111113, 377777777777773, 3111111111111111111111111111113, 3888888888888888888888888888883 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Cf. A068685.` `Sequence in context: A061323 A082584 A088282 this_sequence A093808 A142745 A142951` `Adjacent sequences: A068684 A068685 A068686 this_sequence A068688 A068689 A068690`
	KEYWORD	`base,nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Mar 02 2002`
	EXTENSIONS	`More terms from Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Mar 17 2002`

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Last modified September 6 16:04 EDT 2008. Contains 143483 sequences.

AT&T Labs Research