T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal minimum nondecreasing horizontally and vertically.

A254242

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal minimum nondecreasing horizontally and vertically.

Terms

    a(0) =512a(1) =2616a(2) =2616a(3) =10684a(4) =9209a(5) =10684a(6) =41140a(7) =38392a(8) =38392a(9) =41140a(10) =150016a(11) =167637a(12) =195528a(13) =167637a(14) =150016a(15) =514920a(16) =637570a(17) =970333a(18) =970333a(19) =637570a(20) =514920a(21) =1700100a(22) =2228050a(23) =3702284a(24) =5606832a(25) =3702284a(26) =2228050a(27) =1700100a(28) =5487356a(29) =7570126

External references