261663

Appears in sequences

• Number of Hamiltonian paths from NW to SW corners in a grid with 2n rows and 4 columns.at n=8A014524
• Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 541", based on the 5-celled von Neumann neighborhood.at n=17A289048