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Search: id:A128601
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| A128601 |
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a(n) = the denominator of the continued fraction [[n/n];[n/(n-1)],[n/(n-2)],..,[n/1]], where [x] is floor(x). |
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+0
3
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| 1, 2, 4, 13, 27, 107, 197, 691, 1745, 5716, 10126, 55634, 97532, 293694, 851363, 3209923, 5516821, 25655598, 43801187, 194256443, 522900074, 1451913673, 2455573078, 15955207491, 33005125266, 89673108924, 231135972059
(list; graph; listen)
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OFFSET
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1,2
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LINKS
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Leroy Quet, Home Page (listed in lieu of email address)
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MATHEMATICA
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Table[Denominator[FromContinuedFraction[Table[Floor[n/(n-i)], {i, 0, n-1}]]], {n, 1, 30}] - Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), May 05 2007
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CROSSREFS
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Cf. A128599, A128600.
Sequence in context: A153936 A027301 A153933 this_sequence A034500 A077325 A148213
Adjacent sequences: A128598 A128599 A128600 this_sequence A128602 A128603 A128604
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KEYWORD
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frac,nonn
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AUTHOR
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Leroy Quet Mar 12 2007
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EXTENSIONS
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More terms from Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), May 05 2007
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