Number of (n+1)X(1+1) 0..2 arrays with the maximum plus the lower median minus the minimum of every 2X2 subblock equal.
A236812
Number of (n+1)X(1+1) 0..2 arrays with the maximum plus the lower median minus the minimum of every 2X2 subblock equal.
Terms
- a(0) =81a(1) =303a(2) =1162a(3) =4627a(4) =18527a(5) =75330a(6) =307321a(7) =1264403a(8) =5216986a(9) =21640527a(10) =89986987a(11) =375549402a(12) =1570552173a(13) =6585201767a(14) =27658875370a(15) =116397378211a(16) =490534291751
External references
- oeis: A236812