Lehner Continued Fraction

A Lehner continued fraction is a generalized continued fraction of the form

where  or (2, ) for  an irrational number (Lehner 1994, Dajani and Kraaikamp).

REFERENCES:

Dajani, K. and Kraaikamp, C. "The Mother of All Continued Fractions." https://www.math.uu.nl/publications/preprints/1106.ps.gz.

Lehner, J. "Semiregular Continued Fractions whose Partial Denominators are 1 or 2." In The Mathematical Legacy of Wilhelm Magnus: Groups, Geometry, and Special Functions. Conference on the Legacy of Wilhelm Magnus May 1-3, 1992 (Brooklyn, NY) (Ed. W. Abikoff, J. S. Birman, and K. Kuiken). Providence, RI: Amer. Math. Soc., 1994.