Permanent of the n-th principal submatrix of A204123.

A204266

Permanent of the n-th principal submatrix of A204123.

Terms

    a(0) =1a(1) =5a(2) =27a(3) =252a(4) =2369a(5) =36103a(6) =518000a(7) =9756177a(8) =200951191a(9) =4899768134a(10) =113249415026

External references