Third column of triangle A075501.

A075916

Third column of triangle A075501.

Terms

    a(0) =1a(1) =36a(2) =900a(3) =19440a(4) =390096a(5) =7511616a(6) =141134400a(7) =2611802880a(8) =47870735616a(9) =871982724096

External references