52854
domain: N
Appears in sequences
- Numbers m such that the factorizations of m..m+4 have the same number of primes (including multiplicities).at n=37A045941
- Numbers k such that k, k+1, k+2 and k+3 are products of 4 primes.at n=22A124728
- a(n) = 100*n^2 - 2*n.at n=23A158129
- G.f. satisfies A(x) = 1 + x * A(x * (1 + x^2)).at n=15A360885
- Lesser of 2 successive tetraprimes (k, k+4) sandwiching three consecutive not squarefree numbers.at n=12A367791