a(n) = floor(n^(n -1/2)).

A132182

a(n) = floor(n^(n -1/2)).

Terms

    a(0) =1a(1) =2a(2) =15a(3) =128a(4) =1397a(5) =19047a(6) =311269a(7) =5931641a(8) =129140163a(9) =3162277660a(10) =86024705429

External references