id:A106659 - OEIS Search Results

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Smallest semiprime ending in exactly n 5's.

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15, 55, 1555, 125555, 655555, 1555555, 145555555, 355555555, 8555555555, 85555555555, 155555555555, 1555555555555, 25555555555555, 155555555555555, 17555555555555555, 25555555555555555, 655555555555555555 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`a(3)=1555 is a term because 1555 is the smallest semiprime ending in exactly three 5's.`
	CROSSREFS	`Sequence in context: A080698 A082235 A104724 this_sequence A119136 A036522 A157856` `Adjacent sequences: A106656 A106657 A106658 this_sequence A106660 A106661 A106662`
	KEYWORD	`base,nonn`
	AUTHOR	`Shyam Sunder Gupta (guptass(AT)rediffmail.com), May 12 2005`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research