50855

Appears in sequences

• Indices of primes at which the prime race 4k-1 vs. 4k+1 is tied.at n=37A038691
• Numbers whose base-15 representation has exactly 5 runs.at n=4A043672
• Absolute discriminants of complex quadratic fields with 3-class group of type (3,3) and 3-principalization type (2241).at n=23A247689