a(n) = n^floor(sqrt(n)).

Terms

a(0) =1a(1) =2a(2) =3a(3) =16a(4) =25a(5) =36a(6) =49a(7) =64a(8) =729a(9) =1000a(10) =1331a(11) =1728a(12) =2197a(13) =2744a(14) =3375a(15) =65536a(16) =83521a(17) =104976a(18) =130321a(19) =160000a(20) =194481a(21) =234256a(22) =279841a(23) =331776a(24) =9765625a(25) =11881376a(26) =14348907a(27) =17210368a(28) =20511149a(29) =24300000