Numerator of [x^(2n+1)] of the Taylor series arctan(cot(x)-coth(x))= -2*x/3 +8*x^3/81 -52*x^5/1701 +112*x^7/10935 -51412*x^9/13640319+...
2, 8, 52, 112, 51412, 3469712, 2491688, 62534458528, 22811578796
2 seqfan posts
Sun Dec 18 02:36:11 CET 2011 [seqfan] Re: The Demichel errors, continued