[math-fun] http://mathworld.wolfram.com/EllipticAlphaFunction.html α(11) is missing.

Numerically, I get 1/12 (2 + 6 Sqrt[11] - 2 (-5 + Sqrt[33]) (17 + 3 Sqrt[33])^(1/3) + (-7 + Sqrt[33]) (17 + 3 Sqrt[33])^(2/3)) . —rwg