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Search: id:A077333
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| A077333 |
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Smallest number beginning with 8 and having exactly n distinct prime divisors. |
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+0
9
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| 8, 80, 84, 840, 8190, 81510, 870870, 80059980, 800509710, 8254436190, 800680310430, 8222980095330, 800160280950030, 80008785365579070, 843685980760953330, 80058789202898516010, 8001338333881400327820, 800009744613910196656290
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OFFSET
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1,1
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EXAMPLE
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a(3) = 84 = 2^2*3*7.
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CROSSREFS
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Cf. A077326, A077327, A077328, A077329, A077330, A077331, A077332, A077334.
Cf. A106411-A106419, A106421-A106429.
Sequence in context: A024102 A034355 A069022 this_sequence A062900 A061477 A069543
Adjacent sequences: A077330 A077331 A077332 this_sequence A077334 A077335 A077336
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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 Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Jan 30 2003
a(9)-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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