54153

Appears in sequences

• Number of binary arrays indicating the locations of trailing edge maxima of a random length-n 0..3 array extended with zeros and convolved with 1,3,3,1.at n=23A222022
• Number of n X 3 0..2 arrays with rows unimodal and columns nondecreasing.at n=7A224185
• Composite numbers k such that k*phi(k) is in A002378.at n=18A256545
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 473", based on the 5-celled von Neumann neighborhood.at n=41A272425