Numerator of the coefficient [x^(2n+1)] of the Taylor series arctan(cosec(x)-coth(x))= -x/6 +7*x^3/162 -17*x^5/13608 +913*x^7/1224720 -93959*x^9/1745960832 +...
1, 7, 17, 913, 93959, 9405719, 8909477, 211410621413, 6740064210937
2 seqfan posts
Sun Dec 18 02:36:11 CET 2011 [seqfan] Re: The Demichel errors, continued