6710912domain: NAppears in sequencesNumber of subsets of {1,2,3,...,n} that sum to 0 mod 5.at n=25A068011Number of n X n (0,1)-matrices modulo cyclic permutations of the rows.at n=5A086675Table read by downward antidiagonals: T(n,k) is the number of tilings of the n X k cylinder by two distinct tiles.at n=40A368264