a(n) = 1444*n^2 + 38.

Terms

a(0) =38a(1) =1482a(2) =5814a(3) =13034a(4) =23142a(5) =36138a(6) =52022a(7) =70794a(8) =92454a(9) =117002a(10) =144438a(11) =174762a(12) =207974a(13) =244074a(14) =283062a(15) =324938a(16) =369702a(17) =417354a(18) =467894a(19) =521322a(20) =577638a(21) =636842a(22) =698934a(23) =763914a(24) =831782a(25) =902538a(26) =976182a(27) =1052714a(28) =1132134a(29) =1214442