195585

Appears in sequences

• Number of (n+1) X (2+1) 0..2 arrays with the minimum plus the upper median equal to the lower median plus the maximum in every 2 X 2 subblock.at n=9A235878
• Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 131", based on the 5-celled von Neumann neighborhood.at n=8A270222
• Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 833", based on the 5-celled von Neumann neighborhood.at n=8A273676
• a(n) = Sum_{k=0..n} A363914(n, k)*(-2)^(n - k).at n=20A367773
• a(n) = Sum_{k=0..n} A363914(n, k)*2^(n - k).at n=20A367774