20281170

Appears in sequences

• a(n) is the smallest positive integer m for which A070194(m) (i.e., the maximal gap in {k|gcd(k,m) = 1, 1 <= k <= m-1}) is n.at n=27A070971
• Products of 8 distinct primes (squarefree 8-almost primes).at n=10A123322
• Least k such that the Jacobsthal function A048669(k) = n.at n=27A128759
• Products of primes the squares of which are Fermi-Dirac divisors of n!at n=47A240505
• "Near Primorial" numbers.at n=30A259629
• Denominators of the sequence of rational numbers Rn+ related to Bernoulli numbers.at n=12A308402
• Numbers k such that omega(k) = 8.at n=11A348072
• Numbers of the form A002110(k)/prime(i); i = 2..k-1; sorted.at n=24A372666