-5471

Appears in sequences

• Expansion of (1+x)^3/((1+x)^3+x^4).at n=20A099531
• Imaginary part of Gaussian amicable numbers in order of increasing magnitude. See A102924 for the real part.at n=9A102925
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 437", based on the 5-celled von Neumann neighborhood.at n=39A272156