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

Author

Eric W. Weisstein

Keywords

• nonn
• frac

Links

• T. D. Noe, Table of n, a(n) for n=1..200
• Eric Weisstein's World of Music, Comma of Pythagoras

Crossrefs

Cf. A005664.

Programs

Mathematica

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

Formula

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