81949

Appears in sequences

• a(n) = T(0,n) + T(1,n-1) + ... + T(n,0), array T given by A048472.at n=12A048481
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 771", based on the 5-celled von Neumann neighborhood.at n=40A273500