Integer part of the geometric mean of the forward and reverse concatenations of 1 to n.

A078264

Integer part of the geometric mean of the forward and reverse concatenations of 1 to n.

Terms

    a(0) =1a(1) =15a(2) =198a(3) =2309a(4) =25895a(5) =284217a(6) =3074048a(7) =32896079a(8) =349188532a(9) =11646890238

External references