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Search: id:A128247
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| 1, 1, 1, 1, 2, 1, 12, 1, 8, 3, 1440, 1
(list; graph; listen)
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OFFSET
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1,5
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LINKS
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Leroy Quet, Home Page (listed in lieu of email address)
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EXAMPLE
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The positive integers which are <= 10 and are coprime to 10 are 1,3,7,9. So a(10) = 1*3*7*9/LCM(1,3,7,9) = 189/63 = 3.
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CROSSREFS
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Cf. A038610, A001783.
Sequence in context: A112284 A167401 A069249 this_sequence A161150 A163088 A105608
Adjacent sequences: A128244 A128245 A128246 this_sequence A128248 A128249 A128250
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KEYWORD
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more,nonn
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AUTHOR
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Leroy Quet May 03 2007
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