A068118 Continued fraction expansion for cosh(1).

1, 1, 1, 5, 3, 3, 2, 1, 21, 1, 1, 1, 4, 2, 1, 48, 71, 7, 1, 1, 9, 1, 2, 1, 11, 1, 5, 1, 2, 3, 2, 2, 2, 1, 1, 2, 10, 1, 1, 5, 26, 1, 25, 1, 2, 1, 5, 1, 2, 2, 7, 1, 1, 8, 8, 2, 1, 7, 2, 1, 9, 1, 3, 1, 4, 1, 1, 3, 1, 1, 1, 5, 1, 3, 1, 5, 1, 1, 3, 1, 1, 1, 3, 7, 183

Offset: 0

Author

Benoit Cloitre, Mar 13 2002

Keywords

• easy
• nonn
• cofr

Comments

If an extra zero is added to the beginning of this sequence, continued fraction for sech(1) = 1/cosh(1). - Rick L. Shepherd, Aug 07 2002

Crossrefs

Cf. A068139, A073743 (decimal expansion), A073746 (decimal expansion of sech(1)).

Cf. A078982, A078983 (convergents).

Programs

Mathematica

ContinuedFraction[Cosh[1],90] (* Harvey P. Dale, Apr 29 2013 *)

Extensions

Offset changed by Andrew Howroyd, Aug 05 2024