A078982 Denominators of convergents to cosh(1).

1, 1, 2, 11, 35, 116, 267, 383, 8310, 8693, 17003, 25696, 119787, 265270, 385057, 18748006, 1331493483, 9339202387, 10670695870, 20009898257, 190759780183, 210769678440, 612299137063, 823068815503, 9666056107596, 10489124923099

Offset

1,3

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..200

Mathematica

Denominator[Convergents[Cosh[1], 30]] (* Harvey P. Dale, Jul 22 2014 *)

Prog

(PARI) a(n)=component(component(contfracpnqn(contfrac(cosh(1), n)), 1), 2)

Crossrefs

Cf. A078983.

Sequence in context: A256317 A086735 A242300 * A154416 A184538 A316322

Adjacent sequences: A078979 A078980 A078981 * A078983 A078984 A078985

Keyword

frac,nonn

Author

Benoit Cloitre, Dec 20 2002

Status

approved