45224domain: NAppears in sequencesNumbers with no 1's in base 3, 4 & 10 expansions.at n=39A117564Number of (n+1) X (5+1) 0..3 arrays with every 2 X 2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 9.at n=7A234137Expansion of 1 / ((1-x)^2*(1-x^2)*(1-x^3)*...*(1-x^7)).at n=39A288342