a(n) = 10*n^2 + 1.

Terms

a(0) =1a(1) =11a(2) =41a(3) =91a(4) =161a(5) =251a(6) =361a(7) =491a(8) =641a(9) =811a(10) =1001a(11) =1211a(12) =1441a(13) =1691a(14) =1961a(15) =2251a(16) =2561a(17) =2891a(18) =3241a(19) =3611a(20) =4001a(21) =4411a(22) =4841a(23) =5291a(24) =5761a(25) =6251a(26) =6761a(27) =7291a(28) =7841a(29) =8411