1449984

Appears in sequences

• 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 806", based on the 5-celled von Neumann neighborhood.at n=20A286834
• Number of edges in a "frame" of size n X n (see Comments in A331776 for definition).at n=32A332597