Let M(n) = maximal value of (n/k)^k over all k = 1, 2, ...; a(n) = floor(M(n)).

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =6a(5) =9a(6) =12a(7) =18a(8) =27a(9) =39a(10) =57a(11) =81a(12) =118a(13) =172a(14) =244a(15) =359a(16) =517a(17) =743a(18) =1085a(19) =1554a(20) =2254a(21) =3270a(22) =4667a(23) =6818a(24) =9846a(25) =14116a(26) =20589a(27) =29619a(28) =42762a(29) =62088