500946152850domain: NAppears in sequencesa(n) = Fibonacci(n)^2 * Fibonacci(n+1).at n=20A066258Number of (n+1) X (2+1) arrays of permutations of 0..n*3+2 with each element having index change +-(.,.) 0,0 1,-2 or 2,-1.at n=18A264122