T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the maximum plus the upper median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.

A237779

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the maximum plus the upper median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.

Terms

    a(0) =81a(1) =300a(2) =300a(3) =1176a(4) =1456a(5) =1176a(6) =4480a(7) =7220a(8) =7220a(9) =4480a(10) =17768a(11) =34738a(12) =44224a(13) =34738a(14) =17768a(15) =67152a(16) =168120a(17) =241036a(18) =241036a(19) =168120a(20) =67152a(21) =263504a(22) =843310a(23) =1618456a(24) =2255544a(25) =1618456a(26) =843310a(27) =263504a(28) =1002432a(29) =4176684

External references