28638

Appears in sequences

• First differences of A014292.at n=30A104862
• Expansion of 1/(1 - x + x^3 - 3*x^4 + x^5 - x^7 + x^8).at n=34A147593
• G.f.: imaginary part of 1/(1 - i*x - i*x^2) where i=sqrt(-1).at n=29A201838
• Expansion of Product_{k>=1} (1 - x^(8*(2*k-1))) * (1 - x^(8*k)) / (1 - x^k).at n=42A280938
• Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 382", based on the 5-celled von Neumann neighborhood.at n=14A281638
• Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 403", based on the 5-celled von Neumann neighborhood.at n=14A281846
• a(n) = A300617(n) / (n*(n+1)/2) for n>=1.at n=5A300589