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Search: id:A012770
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| A012770 |
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log(cosh(x)*cos(x))=-4/4!*x^4-544/8!*x^8-707584/12!*x^12... |
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1
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| 4, 544, 707584, 3807514624, 58177770225664, 2030847773013704704, 140503203207887919775744, 17427925514250338592341622784, 3597303386901777560143500698189824, 1166406649834620087886383283250988580864
(list; graph; listen)
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OFFSET
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0,1
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MAPLE
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g := taylor(log(cosh(x)*cos(x)), x=0, 100):q := seq(abs(coeff(g, x, 4*i)*(4*i)!), i=1..15);
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CROSSREFS
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Sequence in context: A003393 A089668 A083284 this_sequence A114764 A134372 A102201
Adjacent sequences: A012767 A012768 A012769 this_sequence A012771 A012772 A012773
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KEYWORD
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nonn
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AUTHOR
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Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)
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EXTENSIONS
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More terms from Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de) and Vladeta Jovovic (vladeta(AT)Eunet.yu), Apr 04 2002
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