50770

Appears in sequences

• Numbers k such that k and k^2 use only the digits 0, 2, 5, 7 and 9.at n=45A136917
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 81", based on the 5-celled von Neumann neighborhood.at n=42A270100
• Number of integers in n-th generation of tree T(2^(-1/3)) defined in Comments.at n=45A274158
• Number of tilings of a 5 X n rectangle using n pentominoes of shapes X, Y, Z.at n=21A349187