1048547

Appears in sequences

• a(n) = 4^n - 3*n + 1.at n=10A175976
• Number of length 4 arrays x(i), i=1..4 with x(i) in i..i+n and no value appearing more than 3 times.at n=30A250362
• Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 177", based on the 5-celled von Neumann neighborhood.at n=19A286202
• Number of 1s in the first 2^n entries of the Kolakoski sequence, A000002.at n=21A289322