a(n) = 10*n^2 + 10*n + 2.

Terms

a(0) =2a(1) =22a(2) =62a(3) =122a(4) =202a(5) =302a(6) =422a(7) =562a(8) =722a(9) =902a(10) =1102a(11) =1322a(12) =1562a(13) =1822a(14) =2102a(15) =2402a(16) =2722a(17) =3062a(18) =3422a(19) =3802a(20) =4202a(21) =4622a(22) =5062a(23) =5522a(24) =6002a(25) =6502a(26) =7022a(27) =7562a(28) =8122a(29) =8702