47701

Properties

Appears in sequences

• Numbers n such that n, 10*n+1, 10*n+3, 10*n+7 and 10*n+9 are all primes.at n=14A067267
• Number of partitions of n into 5-smooth parts.at n=46A112581
• Sequence starting with 1 such that the sum of any two distinct elements has four distinct prime factors.at n=6A181623
• Primes obtained by merging 5 successive digits in the decimal expansion of sqrt(2) + sqrt(3) + sqrt(5).at n=31A241221
• Primes p such that 2*p + 79 is a square.at n=10A269790
• Numbers k such that (22*10^k - 19)/3 is prime.at n=24A282139
• Total number of binary digits in the partitions of n into odd parts.at n=44A319142
• Number of non-strict integer partitions of n with at least one part of odd multiplicity that is not the first or last.at n=42A349796
• Square array T(n,k), n >= 1, k >= 1, read by antidiagonals, where column k is the expansion of e.g.f. -log(1 - f^(k-1)(x)), where f(x) = log(1+x).at n=51A351420
• Expansion of e.g.f. -log(1 - log(1 + log(1 + log(1+x)))).at n=6A351422
• Prime numbersat n=4917