Number of (n+1)X(1+1) 0..2 arrays with the maximum plus the upper median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.
A237772
Number of (n+1)X(1+1) 0..2 arrays with the maximum plus the upper median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.
Terms
- a(0) =81a(1) =300a(2) =1176a(3) =4480a(4) =17768a(5) =67152a(6) =263504a(7) =1002432a(8) =3967808a(9) =15017792a(10) =59024064a(11) =224325120a(12) =886756160a(13) =3358866432a(14) =13215441920a(15) =50194751488a(16) =198246798080a(17) =751303173120
External references
- oeis: A237772