63219

Appears in sequences

• A000041(n)-A000010(n).at n=42A086739
• a(n) = (2*n^3 + 5*n^2 + 5*n)/2.at n=38A162267
• Number of non-isomorphic multiset partitions of weight n in which all parts have the same size.at n=16A306017
• Number of tree-factorizations of Heinz numbers of integer partitions of n.at n=9A331685
• a(n) = Sum_{d|n} (-1)^omega(n/d) * phi(rad(n/d)) * p(d), where p = A000041 (partition numbers).at n=42A333697