T(n,k)=Number of (n+1)X(k+1) 0..5 arrays with the permanents of all 2X2 subblocks equal and nonzero.

A204763

T(n,k)=Number of (n+1)X(k+1) 0..5 arrays with the permanents of all 2X2 subblocks equal and nonzero.

Terms

    a(0) =1175a(1) =3677a(2) =3677a(3) =11081a(4) =38553a(5) =11081a(6) =38789a(7) =132787a(8) =132787a(9) =38789a(10) =131613a(11) =1457775a(12) =833401a(13) =1457775a(14) =131613a(15) =469999a(16) =5791161a(17) =8155815a(18) =8155815a(19) =5791161a(20) =469999a(21) =1652217a(22) =57594105a(23) =60849871a(24) =306477369a(25) =60849871a(26) =57594105a(27) =1652217

External references