a(n) is the smallest k such that k = x_11 * x_12 * x_13 = x_21 * x_22 * x_23 = ... = x_n1 *x_n2 * x_n3 and x_11 + x_12 + x_13 = x_21 + x_22 + x_23 = ... = x_n1 + x_n2 + x_n3; x_ij >= 2.
A339469
a(n) is the smallest k such that k = x_11 * x_12 * x_13 = x_21 * x_22 * x_23 = ... = x_n1 *x_n2 * x_n3 and x_11 + x_12 + x_13 = x_21 + x_22 + x_23 = ... = x_n1 + x_n2 + x_n3; x_ij >= 2.
Terms
- a(0) =8a(1) =72a(2) =1200a(3) =37800a(4) =83160a(5) =846720a(6) =1965600a(7) =15724800a(8) =34927200a(9) =279417600a(10) =1437836400a(11) =11502691200a(12) =5751345600a(13) =160626866400a(14) =46010764800
External references
- oeis: A339469