61168domain: NAppears in sequencesa(n) = n^4 - n^3 - n^2 - n.at n=16A152016Number of 5Xn arrays containing n copies of 0..5-1 with every element equal to or 1 greater than any north, west or northwest neighbors modulo 5 and the upper left element equal to 0.at n=9A267406Records in A266798.at n=7A358442