44789760000domain: NAppears in sequencesNumber of n X 1 arrays of permutations of 0..n*1-1 with rows nondecreasing modulo 2 and columns nondecreasing modulo 4.at n=22A264635Number of labeled simple graphs with vertices {1..n} such that every edge has a different sum.at n=11A327904a(n) = n!*(n+1)!^3.at n=5A371560