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Search: id:A077331
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| A077331 |
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Smallest number beginning with 6 and having exactly n distinct prime divisors. |
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+0
9
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| 61, 6, 60, 630, 6006, 60060, 690690, 60090030, 601380780, 6469693230, 600319429710, 60007743265470, 600277546959090, 60039293728424010, 614889782588491410, 60865792091025932010, 6000526229622444289770, 600025752738409899231330
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OFFSET
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1,1
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EXAMPLE
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a(3) = 60 = 2^2*3*5.
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CROSSREFS
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Cf. A077326, A077327, A077328, A077329, A077330, A077332, A077333, A077334.
Cf. A106411-A106419, A106421-A106429.
Sequence in context: A132096 A051322 A102600 this_sequence A106426 A106416 A002108
Adjacent sequences: A077328 A077329 A077330 this_sequence A077332 A077333 A077334
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KEYWORD
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base,nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 04 2002
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EXTENSIONS
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Corrected and extended by Sam Handler (sam_5_5_5_0(AT)yahoo.com), Jul 21 2004
a(8)-a(10) from Ray Chandler (rayjchandler(AT)sbcglobal.net), Apr 17 2005
More terms from Ray Chandler (rayjchandler(AT)sbcglobal.net), May 02 2005
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