58949

Appears in sequences

• a(n) = 3^n - n^2.at n=10A024025
• Monotonic ordering of nonnegative differences 3^i-10^j, for 40>= i>=0, j>=0.at n=28A192159
• Total size of all principal order ideals in the poset of integer partitions of n with the refinement order.at n=19A265947
• Number of maximal subsets of {1..n} containing no differences or quotients of pairs of distinct elements.at n=41A326491
• a(n) = binomial(n,2)*(binomial(n-1,2) + 2).at n=22A352405