58848
domain: N
Appears in sequences
- Dirichlet convolution of phi(n) with Catalan numbers.at n=11A034766
- Expansion of (4/(3*x/(1-x))) * sin((1/3)*arcsin(sqrt(27*x/4/(1-x))))^2.at n=7A270386
- Number of distinct acyclic orientations of the edges of a three-dimensional n-sided prism with complete graphs as faces.at n=2A334306
- Number of compositions (ordered partitions) of n into at most 6 squarefree parts.at n=35A347783
- Number of subsets of {1..n} such that only one set can be obtained by choosing a different prime factor of each element.at n=24A370584
- Sum of those numbers t which have a unique representation as the sum of floor(n/2) distinct squares from among 1^2,...,n^2.at n=14A374510