Number of (n+1)X(2+1) 0..2 arrays with the upper median plus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.
A237862
Number of (n+1)X(2+1) 0..2 arrays with the upper median plus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.
Terms
- a(0) =336a(1) =1944a(2) =11454a(3) =68830a(4) =405758a(5) =2385956a(6) =14144254a(7) =84226372a(8) =497945422a(9) =2940973430a(10) =17431426946a(11) =103443591278a(12) =612177964814
External references
- oeis: A237862