Numbers k>1 such that k*k^(1/k) is closer to an integer than for any smaller number.

Terms

a(0) =2a(1) =5a(2) =6a(3) =15a(4) =16a(5) =46a(6) =135a(7) =136a(8) =385a(9) =1072a(10) =21976a(11) =59813a(12) =59814a(13) =162682a(14) =162683a(15) =442329a(16) =1202506a(17) =3268905a(18) =24154808a(19) =65659807a(20) =485164995a(21) =1318815513a(22) =1318815514a(23) =26489121842a(24) =72004899025a(25) =195729609091a(26) =532048240237