92167

Appears in sequences

• Number of residue classes modulo n-th primorial number which contain a prime.at n=7A057857
• Structured truncated tetrahedral numbers.at n=36A100156
• (L)-sieve transform of {1,4,7,10,...,3n-2,...} (A016777).at n=25A152009
• a(n) = T(n, 4) with T(n, k) = Sum_{d|k} phi(d)*binomial(n - 1 + k/d, k/d).at n=37A327032