29611120

Appears in sequences

• Constant term of the reduction by x^2 -> x+1 of the polynomial p(n,x)=(2x+1)(2x+2)...(2x+n).at n=9A192941
• Coefficient of x^n in the expansion of 1 / ( (1-x) * (1-x-x^3) )^n.at n=10A372476