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A078982 Denominators of convergents to cosh(1). 2
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 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
LINKS
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
KEYWORD
frac,nonn
AUTHOR
Benoit Cloitre, Dec 20 2002
STATUS
approved

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Last modified June 19 15:28 EDT 2024. Contains 373503 sequences. (Running on oeis4.)