Numerators in Taylor series for cot x.

Terms

a(0) =1a(1) =-1a(2) =-1a(3) =-2a(4) =-1a(5) =-2a(6) =-1382a(7) =-4a(8) =-3617a(9) =-87734a(10) =-349222a(11) =-310732a(12) =-472728182a(13) =-2631724a(14) =-13571120588a(17) =-303257395102