a(n) = 1681*n^2 - 2606*n + 1010.

Terms

a(0) =85a(1) =2522a(2) =8321a(3) =17482a(4) =30005a(5) =45890a(6) =65137a(7) =87746a(8) =113717a(9) =143050a(10) =175745a(11) =211802a(12) =251221a(13) =294002a(14) =340145a(15) =389650a(16) =442517a(17) =498746a(18) =558337a(19) =621290a(20) =687605a(21) =757282a(22) =830321a(23) =906722a(24) =986485a(25) =1069610a(26) =1156097a(27) =1245946a(28) =1339157a(29) =1435730