T(n,k)=Number of (n+1)X(k+1) 0..3 arrays colored with the maximum plus the upper median plus the minimum of every 2X2 subblock.

A236299

T(n,k)=Number of (n+1)X(k+1) 0..3 arrays colored with the maximum plus the upper median plus the minimum of every 2X2 subblock.

Terms

    a(0) =256a(1) =3040a(2) =3040a(3) =36192a(4) =85886a(5) =36192a(6) =432292a(7) =2426656a(8) =2426656a(9) =432292a(10) =5161664a(11) =69129636a(12) =163123586a(13) =69129636a(14) =5161664a(15) =61594004a(16) =1964531406a(17) =11087508870a(18) =11087508870a(19) =1964531406a(20) =61594004a(21) =735086888a(22) =55823555892a(23) =750177961091

External references