a(n) = n^2 + (n + 1)^3 + (n + 2)^4.

Terms

a(0) =17a(1) =90a(2) =287a(3) =698a(4) =1437a(5) =2642a(6) =4475a(7) =7122a(8) =10793a(9) =15722a(10) =22167a(11) =30410a(12) =40757a(13) =53538a(14) =69107a(15) =87842a(16) =110145a(17) =136442a(18) =167183a(19) =202842a(20) =243917a(21) =290930a(22) =344427a(23) =404978a(24) =473177a(25) =549642a(26) =635015a(27) =729962a(28) =835173a(29) =951362