0,3

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

D. H. Lehmer, A cotangent analogue of continued fractions, Duke Math. J., 4 (1935), 323-340.

J. W. Wrench, Jr., personal communication.

Cf. A002794, A002795, A002665, A030125, A002065.

Sequence in context: A054939 A081782 A081780 this_sequence A132559 A080273 A096404

Adjacent sequences: A002791 A002792 A002793 this_sequence A002795 A002796 A002797

nonn,frac,nice

N. J. A. Sloane (njas(AT)research.att.com).