T(n,k)=Number of nXk 0..5 arrays with every nonzero element less than or equal to some NW, E or S neighbor.

A203277

T(n,k)=Number of nXk 0..5 arrays with every nonzero element less than or equal to some NW, E or S neighbor.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =36a(5) =1a(6) =1a(7) =861a(8) =861a(9) =1a(10) =1a(11) =12783a(12) =107968a(13) =12783a(14) =1a(15) =1a(16) =165993a(17) =7849844a(18) =7849844a(19) =165993a(20) =1a(21) =1a(22) =2229009a(23) =525063657a(24) =2590250609a(25) =525063657a(26) =2229009a(27) =1a(28) =1a(29) =31121459

External references