116999

Appears in sequences

• Dirichlet convolution of b_n=2^(n-1) with Bell numbers.at n=10A034740
• Numbers k such that (26*10^k - 503)/9 is prime.at n=23A296051
• a(n) is the largest integer k such that sigma(k)/(d(k)*sopf(k)) = n where d=A000005, sigma=A000203 and sopf=A008472.at n=18A328175