a(n) = 1728*n - 24.

Terms

a(0) =1704a(1) =3432a(2) =5160a(3) =6888a(4) =8616a(5) =10344a(6) =12072a(7) =13800a(8) =15528a(9) =17256a(10) =18984a(11) =20712a(12) =22440a(13) =24168a(14) =25896a(15) =27624a(16) =29352a(17) =31080a(18) =32808a(19) =34536a(20) =36264a(21) =37992a(22) =39720a(23) =41448a(24) =43176a(25) =44904a(26) =46632a(27) =48360a(28) =50088a(29) =51816