53700

Appears in sequences

• Number of nonempty subsets of {1,2,...,n} in which exactly 3/4 of the elements are <= n/3.at n=29A047197
• Number of nonempty subsets of {1,2,...,n} in which exactly 3/4 of the elements are <= (n+1)/3.at n=29A048042
• Number of nonempty subsets of {1,2,...,n} in which exactly 3/4 of the elements are <= (n+2)/3.at n=29A048075
• Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 97", based on the 5-celled von Neumann neighborhood.at n=7A270153