53259

Appears in sequences

• a(n) = sigma_3(n) - sigma_2(n) - sigma_1(n).at n=35A092350
• Number of distinct values taken by w^w^...^w (with n w's and parentheses inserted in all possible ways) where w is the first transfinite ordinal omega.at n=13A199812
• a(n) = A087803(n) - n + 1.at n=13A255170
• Lexicographically first sequence of positive integers such that all disjoint equivalent sets of K terms have distinct sums for 1 <= K <= 4.at n=20A349777