406816410
domain: N
Appears in sequences
- Triangle read by rows in which row n contains first n numbers with exactly n distinct prime factors.at n=44A048692
- a(n) is the n-th number to have n distinct prime factors.at n=8A073329
- Smallest number beginning with 4 and having exactly n distinct prime divisors.at n=8A077329
- Smallest s for which there are exactly n primitive Pythagorean triangles with perimeter 2s; i.e., smallest s such that A078926(s) = n.at n=11A078927
- Duplicate of A073329.at n=8A079856
- Smallest number beginning with 4 that is the product of exactly n distinct primes.at n=8A106414
- Products of 9 distinct primes.at n=8A115343
- Numbers that appear in A195441 at least once for two consecutive indices.at n=28A286763
- a(n) is the n-th squarefree number having n prime factors.at n=8A340467
- Numbers k such that omega(k) = 9.at n=8A348073