90762domain: NAppears in sequencesa(n) = round(n*phi^20), where phi is the golden ratio, A001622.at n=6A004955a(n) = ceiling(n*phi^20), where phi is the golden ratio, A001622.at n=6A004975a(n) = a(n-2) + a(n-3) + a(n-4) with a(0) = 0, a(1) = a(2) = 1, a(3) = 0.at n=33A277252