a(n) = ceiling((n+1/n)^5).

Terms

a(0) =32a(1) =98a(2) =412a(3) =1387a(4) =3803a(5) =8918a(6) =18594a(7) =35410a(8) =62786a(9) =105102a(10) =167817a(11) =257593a(12) =382409a(13) =551685a(14) =776401a(15) =1069217a(16) =1444593a(17) =1918909a(18) =2510585a(19) =3240201a(20) =4130617a(21) =5207093a(22) =6497409a(23) =8031985a(24) =9844001a(25) =11969517a(26) =14447593a(27) =17320409a(28) =20633385a(29) =24435301