Replacing W&W's cross-shaped arrangement of poles with a six-rayed asterisk (replacing plus with times?), i.e., expanding z^2/(z^3 + x^3)/Sin[z*(-1)^(2/3)]/Sin[z]/Sin[z*(-1)^(4/3)]: 2 2 3 12 Pi r x Sum[---------------------------------------------, {r, Infinity}] == 6 6 6 r (Pi r - x ) (-1 + (-1) Cosh[Sqrt[3] Pi r]) 1 2 Csc[x] -- + ------------------------ 3 Cos[x] - Cosh[Sqrt[3] x] x Expanding at x=0, 4 1 Pi {Sum[----------------------------------, {r, 1, Infinity}] == -(-----), 4 r 11340 r (-1 + (-1) Cosh[Sqrt[3] Pi r]) 10 1 703 Pi Sum[-----------------------------------, {r, 1, Infinity}] == -(----------), 10 r 7662154500 r (-1 + (-1) Cosh[Sqrt[3] Pi r]) 1 Sum[-----------------------------------, {r, 1, Infinity}] == 16 r r (-1 + (-1) Cosh[Sqrt[3] Pi r]) 16 223199 Pi -(----------------)}, etc. 2338757728807500 --rwg