Search: id:A002115
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%I A002115 M5082 N2199
%S A002115 1,1,19,1513,315523,136085041,105261234643,132705221399353,
%T A002115 254604707462013571,705927677520644167681,2716778010767155313771539,
%U A002115 14050650308943101316593590153,95096065132610734223282520762883
%N A002115 Generalized Euler numbers.
%D A002115 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%D A002115 N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 
               (includes this sequence).
%D A002115 D. H. Lehmer, Lacunary recurrence formulas for the numbers of Bernoulli 
               and Euler, Annals Math., 36 (1935), 637-649.
%F A002115 E.g.f.: Sum_{n >= 0} a(n)*x^n/(3*n)! = 1/(1/3*exp(-x^(1/3))+2/3*exp(1/
               2*x^(1/3))*cos(1/2*3^(1/2)*x^(1/3))). - Vladeta Jovovic (vladeta(AT)eunet.rs), 
               Feb 13 2005
%Y A002115 Cf. A000364.
%Y A002115 Sequence in context: A130037 A047910 A051847 this_sequence A054949 A068748 
               A098846
%Y A002115 Adjacent sequences: A002112 A002113 A002114 this_sequence A002116 A002117 
               A002118
%K A002115 nonn
%O A002115 0,3
%A A002115 N. J. A. Sloane (njas(AT)research.att.com).
%E A002115 More terms from Vladeta Jovovic (vladeta(AT)eunet.rs), Feb 13 2005

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