a(n) = 14641*n^2 - 4598*n + 362.

Terms

a(0) =10405a(1) =49730a(2) =118337a(3) =216226a(4) =343397a(5) =499850a(6) =685585a(7) =900602a(8) =1144901a(9) =1418482a(10) =1721345a(11) =2053490a(12) =2414917a(13) =2805626a(14) =3225617a(15) =3674890a(16) =4153445a(17) =4661282a(18) =5198401a(19) =5764802a(20) =6360485a(21) =6985450a(22) =7639697a(23) =8323226a(24) =9036037a(25) =9778130