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A012871 Numerator of [x^(2n)] in the Taylor expansion log(cot(x)*arctanh(x))= x^4/15 +x^6/15 +317*x^8/5670 +389*x^10/8505 +6895597*x^12/182432250 +... 0

%I #5 Dec 22 2011 15:26:28

%S 1,1,317,389,6895597,8704831,10655226077,1657771289,613552118040217,

%T 164509043030977,6761598195684420293,10768446708299762233,

%U 81775784693678733811,463196935488177564105193,41000094641259185671029500461

%N Numerator of [x^(2n)] in the Taylor expansion log(cot(x)*arctanh(x))= x^4/15 +x^6/15 +317*x^8/5670 +389*x^10/8505 +6895597*x^12/182432250 +...

%K nonn,frac

%O 2,3

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

%E Values replaced by numerators. - R. J. Mathar, Dec 22 2011

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Last modified April 28 02:08 EDT 2024. Contains 372020 sequences. (Running on oeis4.)