Number of (n+1)X(1+1) 0..3 arrays with the maximum plus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.
A238140
Number of (n+1)X(1+1) 0..3 arrays with the maximum plus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.
Terms
- a(0) =256a(1) =1810a(2) =12981a(3) =94458a(4) =687254a(5) =4977790a(6) =36125717a(7) =262009080a(8) =1902689356a(9) =13793932488a(10) =100152908224a(11) =726176038552
External references
- oeis: A238140