50425

Appears in sequences

• Indices of primes at which the prime race 4k-1 vs. 4k+1 is tied.at n=19A038691
• Triangle read by rows: T(m,n) is the label of the largest square that an (m,n)-leaper (a generalization of a chess knight) reaches before it can no longer move, starting on a board with squares spirally numbered, starting at 1; 1 <= n < m. Each move is to the lowest-numbered unvisited square.at n=24A306197