453893domain: NAppears in sequences(Largest) diagonal of the Zorach additive triangle A035312.at n=15A035313Expansion of Product_{k>0} ((1 - q^(3*k))^3*(1 - q^(6*k))^3)/((1 - q^k)^5*(1 - q^(2*k))^3).at n=13A293426