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A013069 exp(arcsinh(x)+log(x+1))=1+2*x+3/2!*x^2+3/3!*x^3-3/4!*x^4-15/5!*x^5... 3

%I #7 Feb 24 2012 10:18:27

%S 1,2,3,3,-3,-15,45,315,-1575,-14175,99225,1091475,-9823275,-127702575,

%T 1404728325,21070924875,-273922023375,-4656674397375,69850115960625,

%U 1327152203251875,-22561587455281875

%N exp(arcsinh(x)+log(x+1))=1+2*x+3/2!*x^2+3/3!*x^3-3/4!*x^4-15/5!*x^5...

%Y Cf. A046126.

%Y a(2n) = (-1)^(n+1) * A079484(n), n>1.

%K sign

%O 0,2

%A Patrick Demichel (patrick.demichel(AT)hp.com)

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Last modified March 28 04:58 EDT 2024. Contains 371235 sequences. (Running on oeis4.)