id:A112904 - OEIS Search Results

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a(n) is the least positive integer in base 10 containing n sevens that is divisible by n.

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7, 770, 777, 77772, 777770, 7777770, 7777777, 777777776, 777777777, 77777777770, 777777777777, 7777777777776, 77477777777777, 777777777777770, 7777777777777770, 77777777777777776, 177777777777777777 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`a(n) = n*A112905(n).`
	EXAMPLE	`a(4) = 77772 because 77772 contains 4 sevens and is divisible by 4.`
	CROSSREFS	`Cf. A112889-A112898, A112900-A112905, A112907-A112910.` `Sequence in context: A111476 A156618 A027685 this_sequence A137050 A114911 A162089` `Adjacent sequences: A112901 A112902 A112903 this_sequence A112905 A112906 A112907`
	KEYWORD	`base,nonn`
	AUTHOR	`Ray G. Opao (1260(AT)email.com), Oct 05 2005`
	EXTENSIONS	`Extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Oct 09 2005`

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

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