Number of (n+1)X(2+1) 0..2 arrays with the maximum plus the upper median plus the lower median of every 2X2 subblock equal.

A236878

Number of (n+1)X(2+1) 0..2 arrays with the maximum plus the upper median plus the lower median of every 2X2 subblock equal.

Terms

    a(0) =211a(1) =669a(2) =2111a(3) =7995a(4) =29673a(5) =117703a(6) =462885a(7) =1868937a(8) =7534429a(9) =30744153a(10) =125576911a(11) =516317755a(12) =2126269431a(13) =8792513827a(14) =36414484091a(15) =151240645827a(16) =628964493529

External references