64074

Appears in sequences

• Numbers k such that k, k+1, k+2 and k+3 are products of 4 primes.at n=29A124728
• Start of a triple of consecutive squarefree numbers each of which has exactly 4 distinct prime factors.at n=8A242607
• E.g.f.: 1 / (1 + 6 * log(1 - x))^(1/6).at n=5A347019
• a(n) = A000032(n)*A000032(n+1) mod A000032(n+2).at n=21A347861