Column 0 of triangle A107865.

Terms

a(0) =1a(1) =-1a(2) =-1a(3) =-7a(4) =-77a(5) =-1145a(6) =-21410a(7) =-481683a(8) =-12655196a(9) =-379998938a(10) =-12830421321a(11) =-480984691304