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A106429 Smallest number beginning with 9 and having exactly n prime divisors counted with multiplicity. 27
97, 9, 92, 90, 918, 96, 972, 960, 9072, 9600, 90624, 9216, 93312, 90112, 903168, 98304, 995328, 917504, 9043968, 9175040, 90243072, 9437184, 95551488, 92274688, 924844032, 922746880, 9042919424, 905969664, 9172942848, 9059696640 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

EXAMPLE

a(2) = 9 = 3^2.

CROSSREFS

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

Sequence in context: A117846 A058286 A051330 * A126840 A094498 A068830

Adjacent sequences:  A106426 A106427 A106428 * A106430 A106431 A106432

KEYWORD

base,nonn

AUTHOR

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

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Last modified February 14 10:24 EST 2012. Contains 205614 sequences.