354360domain: NAppears in sequencesNumber of n X 5 0..2 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.at n=16A201274E.g.f. A(x) satisfies A(x) = exp( x^2*A(x)^2 * (1+x*A(x))^3 ) * (1+x*A(x)).at n=6A387973