a(n) = (11*n)^5.

Terms

a(0) =0a(1) =161051a(2) =5153632a(3) =39135393a(4) =164916224a(5) =503284375a(6) =1252332576a(7) =2706784157a(8) =5277319168a(9) =9509900499a(10) =16105100000a(11) =25937424601a(12) =40074642432a(13) =59797108943a(14) =86617093024a(15) =122298103125a(16) =168874213376