58457

Appears in sequences

• Number of polyominoes with n cells, symmetric about two orthogonal axes.at n=35A056877
• Partial sums of the Fermat pseudoprimes to base 2, A001567.at n=18A172255
• 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 283", based on the 5-celled von Neumann neighborhood.at n=30A280529
• A Seidel matrix A(n,k) read by antidiagonals downwards.at n=56A323834
• A Seidel matrix A(n,k) read by antidiagonals downwards.at n=64A323834
• a(n) is the largest integer that can be written as Product_{i = 1..n} (3 + 1/t_i) with integers t_i >= 2.at n=7A355630