16908288

Appears in sequences

• Number of 4-ary Lyndon words of length n over Z_4 with trace 2 and subtrace 0.at n=15A074410
• Number of 4-ary Lyndon words of length n over Z_4 with trace 2 and subtrace 2.at n=15A074412
• a(n) = 2^(n-2)*(n-2)^2+2^(n-1).at n=16A217527
• 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 390", based on the 5-celled von Neumann neighborhood.at n=26A287982