Number of (n+1)X(2+1) 0..2 arrays with the maximum plus the upper median plus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.
A237697
Number of (n+1)X(2+1) 0..2 arrays with the maximum plus the upper median plus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.
Terms
- a(0) =310a(1) =1524a(2) =7562a(3) =39236a(4) =201754a(5) =1033140a(6) =5302002a(7) =27377802a(8) =140907656a(9) =723464076a(10) =3719653604a(11) =19172131806a(12) =98659238520a(13) =507065229134
External references
- oeis: A237697