53025

Appears in sequences

• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 165", based on the 5-celled von Neumann neighborhood.at n=42A270459
• Numbers k such that k is the altitude of a Heronian triangle with sides m - 11, m, m + 11.at n=19A296796
• Numbers k such that 2^k + 5*k is a prime.at n=23A299642