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A106411 Smallest number beginning with 1 that is the product of exactly n distinct primes. +0
27
1, 11, 10, 102, 1110, 10010, 101010, 1009470, 11741730, 1001110110, 10407767370, 1000287585570, 10293281928930, 1001230315195110, 13082761331670030, 1004819888620217670, 100015003602410826930, 1922760350154212639070 (list; graph; listen)
OFFSET

0,2

EXAMPLE

a(0) = 1, a(5) = 10010 = 2*5*7*11*13.

CROSSREFS

Cf. A077326-A077334, A106411-A106419, A106421-A106429.

Sequence in context: A120005 A105026 A077326 this_sequence A105028 A014550 A070836

Adjacent sequences: A106408 A106409 A106410 this_sequence A106412 A106413 A106414

KEYWORD

base,nonn

AUTHOR

Ray Chandler (rayjchandler(AT)sbcglobal.net), May 02 2005

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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