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A105216
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Maximum denominator among the n! ratios equal to the continued fractions which have the permutations of (1,2,3,...,n) for terms.
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1
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1, 2, 7, 31, 164, 1021, 7340, 59899, 547423, 5541311, 61560751, 744810564, 9749580487, 137299957892, 2069988277027, 33266800950301, 567742165061876, 10254686071781119, 195439907769223706, 3919618523321600065, 82517650453354285621, 1819502802723019762607
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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COMMENTS
| Calculated by Vladeta Jovovic and David W. Wilson.
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LINKS
| Alois P. Heinz, Table of n, a(n) for n = 1..200
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MAPLE
| r:= proc(l) local j; infinity; for j to nops(l) do l[j] +1/% od end: gl:= proc(n) local i, l; l:=[]; for i from 2 to n do l:= `if` (irem (i, 2)=0, [l[], i], [i, l[]]) od; [l[], 1] end: a:= n-> denom (r (gl (n))): seq (a(n), n=1..25); # Alois P. Heinz, Nov 18 2009
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CROSSREFS
| Cf. A105151.
Sequence in context: A125275 A007446 A002872 * A193657 A005977 A199675
Adjacent sequences: A105213 A105214 A105215 * A105217 A105218 A105219
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KEYWORD
| nonn
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AUTHOR
| Leroy Quet Apr 12 2005
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EXTENSIONS
| More terms from Alois P. Heinz (heinz(AT)hs-heilbronn.de), Nov 18 2009
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