1115472

Appears in sequences

• Number of n X n 1..4 arrays with no element with value z exactly a city block distance of z from another element with value z.at n=3A210780
• Number of nX4 1..4 arrays with no element with value z exactly a city block distance of z from another element with value z.at n=3A210784
• T(n,k)=Number of nXk 1..4 arrays with no element with value z exactly a city block distance of z from another element with value z.at n=24A210788