Numbers that can be approximated in increasing quality by k*k^(1/k).

Terms

a(0) =3a(1) =7a(2) =8a(3) =18a(4) =19a(5) =50a(6) =140a(7) =141a(8) =391a(9) =1079a(10) =21986a(11) =59824a(12) =59825a(13) =162694a(14) =162695a(15) =442342a(16) =1202520a(17) =3268920a(18) =24154825a(19) =65659825a(20) =485165015a(21) =1318815534a(22) =1318815535a(23) =26489121866a(24) =72004899050a(25) =195729609117a(26) =532048240264