772800

Appears in sequences

• E.g.f.: A(x) = Product_{n>=1} (1 + 4*x^n/n)^n.at n=7A182967
• Number of n X 3 arrays of occupancy after each element moves to some horizontal or vertical neighbor.at n=4A217268
• Number of nX5 arrays of occupancy after each element moves to some horizontal or vertical neighbor.at n=2A217270
• T(n,k)=Number of nXk arrays of occupancy after each element moves to some horizontal or vertical neighbor.at n=23A217273
• T(n,k)=Number of nXk arrays of occupancy after each element moves to some horizontal or vertical neighbor.at n=25A217273
• Fifth differences of 7th powers (A001015).at n=19A259907