a(n) = 100*n^2 + 2*n.

Terms

a(0) =102a(1) =404a(2) =906a(3) =1608a(4) =2510a(5) =3612a(6) =4914a(7) =6416a(8) =8118a(9) =10020a(10) =12122a(11) =14424a(12) =16926a(13) =19628a(14) =22530a(15) =25632a(16) =28934a(17) =32436a(18) =36138a(19) =40040a(20) =44142a(21) =48444a(22) =52946a(23) =57648a(24) =62550a(25) =67652a(26) =72954a(27) =78456a(28) =84158a(29) =90060