3396804

Appears in sequences

• Antidiagonal sums of square array A158825, in which row n lists the coefficients of the n-th iteration of x*C(x), where C(x) is the Catalan function (A000108).at n=12A158829
• Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 289", based on the 5-celled von Neumann neighborhood.at n=10A271126