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

A192941

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

Terms

    a(0) =1a(1) =1a(2) =6a(3) =38a(4) =276a(5) =2276a(6) =21032a(7) =215336a(8) =2419824a(9) =29611120a(10) =391950240a(11) =5579965600a(12) =85018056640

External references