Number of (n+1)X(4+1) 0..3 arrays with the upper median minus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.
A237572
Number of (n+1)X(4+1) 0..3 arrays with the upper median minus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.
Terms
- a(0) =103264a(1) =4146324a(2) =173478980a(3) =7415425124a(4) =313460630304
External references
- oeis: A237572