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

Terms

a(0) =32a(1) =98a(2) =412a(3) =1387a(4) =3802a(5) =8918a(6) =18593a(7) =35409a(8) =62785a(9) =105101a(10) =167817a(11) =257593a(12) =382409a(13) =551685a(14) =776401a(15) =1069217a(16) =1444593a(17) =1918909a(18) =2510585a(19) =3240201a(20) =4130616a(21) =5207092a(22) =6497408a(23) =8031984a(24) =9844000a(25) =11969516a(26) =14447592a(27) =17320408