66148domain: NAppears in sequencesa(n) = (1/24)*(n+1)*(3*n^3+59*n^2+358*n+648).at n=23A090949Number of n X 6 0..1 arrays with every element equal to 2, 3, 5 or 6 king-move adjacent elements, with upper left element zero.at n=7A298085a(n) is the largest integer m such that m^n <= n^prime(n).at n=21A318199