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Search: id:A078983
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A078983 Numerators of convergents to cosh(1). +0
2
1, 2, 3, 17, 54, 179, 412, 591, 12823, 13414, 26237, 39651, 184841, 409333, 594174, 28929685, 2054601809, 14411142348, 16465744157, 30876886505, 294357722702, 325234609207, 944826941116, 1270061550323, 14915503994669, 16185565544992 (list; graph; listen)
OFFSET

1,2

PROGRAM

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

CROSSREFS

Cf. A078982.

Sequence in context: A051084 A106860 A042699 this_sequence A085874 A055739 A056794

Adjacent sequences: A078980 A078981 A078982 this_sequence A078984 A078985 A078986

KEYWORD

frac,nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Dec 20 2002

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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