T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the upper median unequal to the lower median in every 2X2 subblock.

A236278

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the upper median unequal to the lower median in every 2X2 subblock.

Terms

    a(0) =42a(1) =208a(2) =208a(3) =1048a(4) =1770a(5) =1048a(6) =5328a(7) =15434a(8) =15434a(9) =5328a(10) =27168a(11) =137142a(12) =232736a(13) =137142a(14) =27168a(15) =138720a(16) =1226262a(17) =3604782a(18) =3604782a(19) =1226262a(20) =138720a(21) =708640a(22) =11005062a(23) =56299040a(24) =98027150a(25) =56299040a(26) =11005062a(27) =708640a(28) =3620768a(29) =98896922

External references