T(n,k)=Number of (n+1)X(k+1) 0..6 arrays with the permanents of all 2X2 subblocks equal and nonzero.

A205046

T(n,k)=Number of (n+1)X(k+1) 0..6 arrays with the permanents of all 2X2 subblocks equal and nonzero.

Terms

    a(0) =2232a(1) =7648a(2) =7648a(3) =25108a(4) =100308a(5) =25108a(6) =97256a(7) =366378a(8) =366378a(9) =97256a(10) =364646a(11) =5111024a(12) =2587806a(13) =5111024a(14) =364646a(15) =1451748a(16) =21682734a(17) =30072178a(18) =30072178a(19) =21682734a(20) =1451748a(21) =5692570a(22) =271619224a(23) =256406852a(24) =1680705854a(25) =256406852

External references