8454144

Appears in sequences

• Number of (n+1) X (3+1) 0..2 arrays with the upper median of every 2 X 2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=28A237632
• Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 910", based on the 5-celled von Neumann neighborhood.at n=23A290670
• a(n) = ((n-1)^2 + 2)*2^(n-2).at n=16A356888