a(0) = 1, a(n) = 25*n^2 + 2 for n > 0.

Terms

a(0) =1a(1) =27a(2) =102a(3) =227a(4) =402a(5) =627a(6) =902a(7) =1227a(8) =1602a(9) =2027a(10) =2502a(11) =3027a(12) =3602a(13) =4227a(14) =4902a(15) =5627a(16) =6402a(17) =7227a(18) =8102a(19) =9027a(20) =10002a(21) =11027a(22) =12102a(23) =13227a(24) =14402a(25) =15627a(26) =16902a(27) =18227a(28) =19602a(29) =21027