165889domain: NAppears in sequencesa(n) = 3*a(n-1) - 3*a(n-3) + a(n-4) for n > 3, with a(0) = 1, a(1) = 3, a(2) = 9, a(3) = 27.at n=12A084707Least positive x in the Diophantine equation x^3 + y^3 = n*z^3 (with x >= y and y != 0).at n=51A190356Number of partitions of n^4 into at most two parts.at n=24A274323