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A012473 sech(cos(x)*log(x+1))=1-1/2!*x^2+3/3!*x^3+6/4!*x^4-60/5!*x^5... 0

%I

%S 1,0,-1,3,6,-60,0,2310,-10752,-84168,1152240,2453880,-154467192,

%T 797768400,16907851688,-250017997320,-1746679208128,77446551835648,

%U -318565680255360,-18241668233387712,262053618149070080

%N sech(cos(x)*log(x+1))=1-1/2!*x^2+3/3!*x^3+6/4!*x^4-60/5!*x^5...

%K sign

%O 0,4

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

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Last modified January 22 22:16 EST 2020. Contains 331166 sequences. (Running on oeis4.)