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

A237679

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

Terms

    a(0) =474a(1) =4146a(2) =35620a(3) =308814a(4) =2688928a(5) =23395998a(6) =203035400a(7) =1763640726a(8) =15330212940a(9) =133229902148

External references