284368

Appears in sequences

• E.g.f.: 1/Product_{m>0} (1+(-x)^m/m!).at n=9A076901
• Number of (n+1)X(2+1) 0..2 arrays with the maximum plus the upper median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=4A237505
• Number of (n+1) X (5+1) 0..2 arrays with the maximum plus the upper median minus the minimum of every 2 X 2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=1A237508
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the maximum plus the upper median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=16A237511
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the maximum plus the upper median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=19A237511