44358

Appears in sequences

• Numbers k such that 5*6^k - 1 is prime.at n=22A079906
• Another approximation to A000084(n).at n=11A093156
• Numbers n for which 8*R_n - 1 is prime, where R_n = 11...1 is the repunit (A002275) of length n.at n=19A096846
• Number of 3X3X3 triangular 0..n arrays with no element lying outside the (possibly reversed) range delimited by its sw and se neighbors, and every horizontal row having the same average value.at n=26A214541
• Composite numbers k that are Smith numbers in a record number of bases 1 < b <= k.at n=28A337294