4594590
domain: N
Appears in sequences
- Numbers with exactly 7 distinct prime divisors {2,3,5,7,11,13,17}.at n=8A147574
- (-1)^(n+1)*n*A174276(n).at n=9A174356
- Numbers with prime factorization pqrstuv^3.at n=12A190316
- Triangular array read by row: T(m,n) = number of ways to obtain a single sphere by gluing the (labeled) sides of a (2m+1)-gon and a (2n+1)-gon, m >= n >= 0.at n=32A297897
- a(n) is the least k > 0 such that 1+k, 1+2*k, ..., 1+n*k are pairwise coprime.at n=34A339743
- Distinct values in A339743, in order of appearance.at n=15A339759
- a(n) is the lcm of the denominators of the terms in the n-th row of M where M is the inverse of the matrix generated by the triangle A368846.at n=8A369135
- Numbers k that are neither squarefree nor prime powers such that A119288(k) <= k/A007947(k) < A053669(k) and k has a primorial kernel but is not a product of primorials.at n=26A369419
- a(n) is the least number k that has exactly n divisors <= sqrt(k) of the form 4*j+1.at n=33A379693