Constant term of the reduction by x^2->x+1 of the polynomial p(n,x)=(x+2)(x+4)...(x+2n).

A192939

Constant term of the reduction by x^2->x+1 of the polynomial p(n,x)=(x+2)(x+4)...(x+2n).

Terms

    a(0) =1a(1) =2a(2) =9a(3) =61a(4) =546a(5) =6043a(6) =79475a(7) =1209160a(8) =20873685a(9) =402896615a(10) =8595041400a(11) =200773098515

External references