25432
domain: N
Appears in sequences
- Icosahedral numbers: a(n) = n*(5*n^2 - 5*n + 2)/2.at n=21A006564
- Number of proper factorizations of p1^n*p2^5, where p1 and p2 are distinct primes.at n=15A031128
- a(n) = floor(log(A111288(n))).at n=31A111388
- The sum of the costs of all nodes in the Fibonacci tree of order n.at n=15A178525
- Sequence related to the Hankel transform of A105523(n+5).at n=31A181474
- a(n) = 22*n^2.at n=34A195323
- Sum of the parts in the partitions of 4n into 4 parts with smallest part = 1.at n=16A239056
- 3d-congruent numbers: positive integers n for which there exists a trirectangular tetrahedron having volume n and rational areas and sides.at n=35A297207