Alternating row sums of triangle A091543.

A091548

Alternating row sums of triangle A091543.

Terms

    a(0) =1a(1) =1a(2) =-1a(3) =-53a(4) =-1083a(5) =-24099a(6) =-120477a(7) =115958039a(8) =30323462809

External references