Expansion of e.g.f. (1 + 2 * log(1 - x))^2.

Terms

a(0) =1a(1) =-4a(2) =4a(3) =16a(4) =64a(5) =304a(6) =1712a(7) =11232a(8) =84384a(9) =715392a(10) =6761088a(11) =70513920a(12) =804683520a(13) =9975536640a(14) =133513989120