a(n) = 8*n^2 + 88*n + 43.

Terms

a(0) =43a(1) =139a(2) =251a(3) =379a(4) =523a(5) =683a(6) =859a(7) =1051a(8) =1259a(9) =1483a(10) =1723a(11) =1979a(12) =2251a(13) =2539a(14) =2843a(15) =3163a(16) =3499a(17) =3851a(18) =4219a(19) =4603a(20) =5003a(21) =5419a(22) =5851a(23) =6299a(24) =6763a(25) =7243a(26) =7739a(27) =8251a(28) =8779a(29) =9323