101621domain: NAppears in sequencesExpansion of 1/((1-x)(1-3x)(1-10x)(1-12x)).at n=4A021724a(n) = 1681*n^2 - 756*n + 85.at n=7A157010Number of ways to place 3 nonattacking zebras on a 3 X n board.at n=28A172221