Concatenation of first n terms of A091791 divided by (2n-1).

A091792

Concatenation of first n terms of A091791 divided by (2n-1).

Terms

    a(0) =1a(1) =4a(2) =243a(3) =17360a(4) =1350225a(5) =11047296a(6) =934771207a(7) =81013504612

External references