466944

Appears in sequences

• G.f.: A(x) = Sum_{n>=0} ( Sum_{k>=1} (2^n*2^k*x)^k/k )^n / n!, a power series in x with integer coefficients.at n=4A156631
• Number of ways to place 5 nonattacking bishops on an n X n toroidal board.at n=7A177758
• Bitmasks that can be used to generate a sequence of all positive integers up to 2^n.at n=17A246866
• 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 974", based on the 5-celled von Neumann neighborhood.at n=18A290851