7221520domain: NAppears in sequencesExpansion of Product_{n>=1} (1 - x^(5*n))^18/(1 - x^n)^19 in powers of x.at n=8A278556Number of nX6 0..1 arrays with every element equal to 0, 1, 2, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=14A301321