50853

Appears in sequences

• Indices of primes at which the prime race 4k-1 vs. 4k+1 is tied.at n=36A038691
• Numbers whose base-15 representation has exactly 5 runs.at n=2A043672
• Expansion of (1 + x)/(1 + x + 3*x^2).at n=23A110523
• Number of polygon edges formed when every pair of vertices of a regular n-gon are joined by an infinite line.at n=22A344899
• Number of polygon edges formed when every pair of vertices of a regular (2n-1)-gon are joined by an infinite line.at n=11A344907