59200

Appears in sequences

• Sigma((8^n - 1)/7), where sigma(n) is the sum of positive divisors of n.at n=5A103968
• a(n) is the number of distinct billiard words with length n on an alphabet of 4 symbols.at n=9A180239
• a(n) is the maximum integer for which some minimum-length sum equaling a(n) of perfect squares less than n^2 excludes (n-1)^2.at n=39A377084
• Number of mutual-visibility sets in the n-helm graph.at n=7A389180
• a(n) is the least number k such that the equation phi(x) = k has exactly n solutions and the arithmetic mean of these solutions is an integer, or -1 if no such number exists.at n=28A389860