A046102 Denominators of convergents to the comma of Pythagoras.

1, 1, 3, 7, 24, 31, 179, 389, 9126, 18641, 46408, 65049, 111457, 6195184, 6306641, 31421748, 100571885, 131993633, 232565518, 3620476403, 3853041921, 38297853692, 80448749305, 440541600217, 3164239950824, 3604781551041

Offset

1,3

Links

T. D. Noe, Table of n, a(n) for n=1..200

Eric Weisstein's World of Music, Comma of Pythagoras

Formula

a(n) = A005663(n) - A005664(n). - T. D. Noe, Oct 12 2007

Mathematica

Denominator[ Table[ ContinuedFraction[ Log[ 2 ]/Log[ 3/2 ], i ]//Normal, {i, 30} ] ]

Crossrefs

Cf. A005664.

Sequence in context: A316792 A358974 A110864 * A307793 A145542 A071108

Adjacent sequences: A046099 A046100 A046101 * A046103 A046104 A046105

Keyword

nonn,frac

Author

Eric W. Weisstein

Status

approved