Number of (n+1)X(1+1) 0..2 arrays with the maximum plus the minimum minus the lower median of every 2X2 subblock equal.
A236821
Number of (n+1)X(1+1) 0..2 arrays with the maximum plus the minimum minus the lower median of every 2X2 subblock equal.
Terms
- a(0) =81a(1) =327a(2) =1386a(3) =6093a(4) =27079a(5) =121590a(6) =549173a(7) =2495215a(8) =11389842a(9) =52223381a(10) =240352711a(11) =1110041358a(12) =5141952693a(13) =23882414527a(14) =111181569882a(15) =518644232789
External references
- oeis: A236821