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

0,4

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

Links

Table of n, a(n) for n=0..84.

Mathematica

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

Crossrefs

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

Cf. A078982, A078983 (convergents).

Sequence in context: A282469 A216998 A346469 * A076104 A094284 A080134

Adjacent sequences: A068115 A068116 A068117 * A068119 A068120 A068121

Keyword

easy,nonn,cofr

Author

Benoit Cloitre, Mar 13 2002

Extensions

Offset changed by Andrew Howroyd, Aug 05 2024

Status

approved