1825184domain: NAppears in sequencesCoefficient of x in the reduction of the n-th Fibonacci polynomial by x^3->x^2+x+1.at n=20A192617Number of (n+1) X 4 0..2 arrays with column and row pair sums b(i,j)=a(i,j)+a(i,j-1) and c(i,j)=a(i,j)+a(i-1,j) nondecreasing in column and row directions, respectively.at n=8A203723