204137

Properties

Appears in sequences

• Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 565", based on the 5-celled von Neumann neighborhood.at n=8A272944
• Number of permutations p of [n] such that four is the maximum of the number of elements in any integer interval [p(i)..i+n*[i<p(i)]].at n=15A324631
• Prime numbersat n=18315