Number of (n+1)X(4+1) 0..1 arrays with the difference of the upper and lower median value of each 2X2 subblock in lexicographically nondecreasing order rowwise and columnwise.

A235569

Number of (n+1)X(4+1) 0..1 arrays with the difference of the upper and lower median value of each 2X2 subblock in lexicographically nondecreasing order rowwise and columnwise.

Terms

    a(0) =398a(1) =4670a(2) =53728a(3) =599834a(4) =6353336a(5) =63238254a(6) =592286060a(7) =5248500942a(8) =44325853698a(9) =359137867202

External references