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

A237703

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

Terms

    a(0) =81a(1) =310a(2) =310a(3) =1186a(4) =1524a(5) =1186a(6) =4700a(7) =7562a(8) =7562a(9) =4700a(10) =18612a(11) =39236a(12) =49152a(13) =39236a(14) =18612a(15) =73176a(16) =201754a(17) =333508a(18) =333508a(19) =201754a(20) =73176a(21) =287924a(22) =1033140a(23) =2234136a(24) =3004030a(25) =2234136a(26) =1033140a(27) =287924a(28) =1136084a(29) =5302002

External references