98764domain: NAppears in sequencesn written in fractional base 10/9.at n=44A024664Expansion of (1-2*x)/(1 - 3*x - x^2 + 2*x^3).at n=11A052550T(n,k)=Number of (n+1)X(k+1) binary arrays with no 2X2 subblock containing fewer than two 1s.at n=36A184207