5826920domain: NAppears in sequencesa(n) = 8*a(n-1) - 8*a(n-2) + a(n-3), with a(1) = 1, a(2) = 8, a(3) = 56.at n=8A092521The number of compositions of n using elements from the set {1,3,5,7,8}.at n=34A349840