T(n,k)=Number of (n+1)X(k+1) binary arrays with every 2X2 subblock sum equal to some horizontal or vertical neighbor 2X2 subblock sum.

A185497

T(n,k)=Number of (n+1)X(k+1) binary arrays with every 2X2 subblock sum equal to some horizontal or vertical neighbor 2X2 subblock sum.

Terms

    a(0) =0a(1) =24a(2) =24a(3) =36a(4) =128a(5) =36a(6) =160a(7) =708a(8) =708a(9) =160a(10) =380a(11) =3792a(12) =5936a(13) =3792a(14) =380a(15) =1332a(16) =20872a(17) =59384a(18) =59384a(19) =20872a(20) =1332a(21) =3616a(22) =114724a(23) =559188a(24) =1020072a(25) =559188a(26) =114724a(27) =3616a(28) =11828a(29) =631720

External references