a(n) = 25*n^2 + 15*n + 1021.

Terms

a(0) =1021a(1) =1061a(2) =1151a(3) =1291a(4) =1481a(5) =1721a(6) =2011a(7) =2351a(8) =2741a(9) =3181a(10) =3671a(11) =4211a(12) =4801a(13) =5441a(14) =6131a(15) =6871a(16) =7661a(17) =8501a(18) =9391a(19) =10331a(20) =11321a(21) =12361a(22) =13451a(23) =14591a(24) =15781a(25) =17021a(26) =18311a(27) =19651a(28) =21041a(29) =22481