1008640

Appears in sequences

• Expansion of (1-4*x)/(1-4*x-4*x^2).at n=10A094013
• Expansion of 4*x/(1 - 4*x - 4*x^2).at n=9A106568
• Number of n X 2 0..2 arrays with new values 0..2 introduced in row major order and no element equal to more than one of its immediate leftward or upward or left-upward diagonal neighbors.at n=7A208561
• T(n,k)=Number of nXk 0..2 arrays with new values 0..2 introduced in row major order and no element equal to more than one of its immediate leftward or upward or left-upward diagonal neighbors.at n=37A208567
• 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 246", based on the 5-celled von Neumann neighborhood.at n=20A287136