T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the maximum of every 2X2 subblock equal.

A237035

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the maximum of every 2X2 subblock equal.

Terms

    a(0) =81a(1) =563a(2) =563a(3) =4042a(4) =11205a(5) =4042a(6) =30045a(7) =221994a(8) =221994a(9) =30045a(10) =225731a(11) =4552617a(12) =11703666a(13) =4552617a(14) =225731a(15) =1709398a(16) =93224611a(17) =638436002a(18) =638436002a(19) =93224611a(20) =1709398a(21) =12985257a(22) =1918085364a(23) =34552648978a(24) =93104881597a(25) =34552648978

External references