Permanent of the n-th principal submatrix of A204551.

A204552

Permanent of the n-th principal submatrix of A204551.

Terms

    a(0) =1a(1) =2a(2) =8a(3) =75a(4) =1157a(5) =23974a(6) =655636a(7) =24625600a(8) =1208111716a(9) =71223596496

External references