50665

Appears in sequences

• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 435", based on the 5-celled von Neumann neighborhood.at n=40A272151
• a(n) = (3*n^5 + 4*n^3 - n)/6.at n=9A372751