944969

Properties

Appears in sequences

• Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 165", based on the 5-celled von Neumann neighborhood.at n=9A270458
• Primes p, with k digits, such that the Sum_{i=1..k} (p without its i-th digit)/(its i-th digit) is a prime.at n=20A346206
• Prime numbersat n=74560