a(n) = n^2 + (n + 1)^3 + (n + 2)^4 + (n + 3)^5.

Terms

a(0) =260a(1) =1114a(2) =3412a(3) =8474a(4) =18244a(5) =35410a(6) =63524a(7) =107122a(8) =171844a(9) =264554a(10) =393460a(11) =568234a(12) =800132a(13) =1102114a(14) =1488964a(15) =1977410a(16) =2586244a(17) =3336442a(18) =4251284a(19) =5356474a(20) =6680260a(21) =8253554a(22) =10110052a(23) =12286354a(24) =14822084a(25) =17760010a(26) =21146164a(27) =25029962