Number of (n+1)X(n+1) 0..2 arrays with the permanents of all 2X2 subblocks equal and nonzero.

A204832

Number of (n+1)X(n+1) 0..2 arrays with the permanents of all 2X2 subblocks equal and nonzero.

Terms

    a(0) =56a(1) =524a(2) =7070a(3) =247108a(4) =11643054a(5) =1289881302a(6) =204749436552

External references