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Search: id:A106421
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A106421 Smallest number beginning with 1 and having exactly n prime divisors counted with multiplicity. +0
27
1, 11, 10, 12, 16, 108, 144, 128, 1296, 1152, 1024, 10368, 10240, 12288, 16384, 110592, 147456, 131072, 1327104, 1179648, 1048576, 10616832, 10485760, 12582912, 16777216, 113246208, 100663296, 134217728, 1006632960, 1207959552 (list; graph; listen)
OFFSET

0,2

EXAMPLE

a(0) = 1, a(5) = 108 = 2^2*3^3.

CROSSREFS

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

Adjacent sequences: A106418 A106419 A106420 this_sequence A106422 A106423 A106424

Sequence in context: A059941 A086100 A004283 this_sequence A019329 A086919 A060982

KEYWORD

base,nonn

AUTHOR

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

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Last modified October 6 16:13 EDT 2008. Contains 144667 sequences.


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