a(n) = 32805000*n^2 - 10513800*n + 842401.

Terms

a(0) =23133601a(1) =111034801a(2) =264546001a(3) =483667201a(4) =768398401a(5) =1118739601a(6) =1534690801a(7) =2016252001a(8) =2563423201a(9) =3176204401a(10) =3854595601a(11) =4598596801a(12) =5408208001a(13) =6283429201a(14) =7224260401a(15) =8230701601a(16) =9302752801a(17) =10440414001a(18) =11643685201