L(n,-n), where L is defined as in A108299.

A108367

L(n,-n), where L is defined as in A108299.

Terms

    a(0) =1a(1) =-2a(2) =5a(3) =-29a(4) =265a(5) =-3191a(6) =47321a(7) =-832040a(8) =16908641a(9) =-389806471a(10) =10049731549a(11) =-286482047279

External references