id:A053014 - OEIS Search Results

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Smallest number which has n successive divisors such that the quotients all begin with the same digit.

+0
1

30, 60, 840, 10080, 110880, 1441440, 15135120, 21162960, 21162960 (list; graph; listen)

	OFFSET	`2,1`
	REFERENCES	`Denis Borris, Ken Duisenberg's Puzzle of the Week Feb. 15 2000`
	LINKS	`Source`
	EXAMPLE	`a(4)=840 since 840/5=168, 840/6=140, 840/7=120 and 840/8=105 all start with 1`
	CROSSREFS	`Cf. A000142.` `Sequence in context: A143207 A108454 A064783 this_sequence A042784 A042786 A042782` `Adjacent sequences: A053011 A053012 A053013 this_sequence A053015 A053016 A053017`
	KEYWORD	`nonn,base,more`
	AUTHOR	`Henry Bottomley (se16(AT)btinternet.com), Feb 22 2000`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.