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Search: id:A054482
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| A054482 |
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Denominator of lowest terms fraction from division of a highly composite number (1) by its predecessor. |
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+0
4
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| 1, 1, 2, 1, 1, 2, 3, 4, 1, 2, 3, 2, 1, 6, 2, 3, 2, 1, 2, 3, 2, 3, 4, 10, 11, 9, 10, 2, 3, 2, 3, 4, 5, 2, 9, 5, 12, 2, 3, 2, 3, 4, 5, 2, 9, 5, 4, 3, 5, 4, 2, 15, 17, 12, 5, 2, 9, 5, 4, 3, 5, 4, 2, 15, 19, 2, 15, 2, 19, 18, 5, 4, 3, 5, 4, 2, 3, 2, 3, 2, 6, 35, 92, 21, 23, 35, 92, 21, 2, 23, 21, 2
(list; graph; listen)
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OFFSET
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2,3
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COMMENT
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Successive fractions are 2/1,2/1,3/2,2/1,2/1,3/2,4/3,5/4,2/1,3/2,4/3,3/2,2/1 a(n) is frequently A054483(n)-1, though not for example for n=26
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FORMULA
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a(n) = A002182(n-1)/A054481(n)
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EXAMPLE
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a(7)=2 since A002182(7)=36, A002182(6)=24 and 36/24=3/2 in lowest terms.
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CROSSREFS
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Cf. A002182, A054483.
Sequence in context: A051631 A073725 A055223 this_sequence A092543 A090282 A022910
Adjacent sequences: A054479 A054480 A054481 this_sequence A054483 A054484 A054485
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KEYWORD
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easy,nonn,frac
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AUTHOR
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Henry Bottomley (se16(AT)btinternet.com), Mar 31 2000
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EXTENSIONS
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More terms from Jud McCranie (j.mccranie(AT)comcast.net), Jun 11 2005
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