Expansion of log(1+sinh(x)*x)/2.

A024256

Expansion of log(1+sinh(x)*x)/2.

Terms

    a(0) =0a(1) =1a(2) =-4a(3) =63a(4) =-2124a(5) =123125a(6) =-10909530a(7) =1370980527a(8) =-231929847352

External references