49177

Properties

Appears in sequences

• Primes such that successive differences are increasing palindromes.at n=24A087581
• Primes from merging of 5 successive digits in decimal expansion of cos(1).at n=30A104961
• Denominator of the harmonic mean of the first n 9-gonal numbers.at n=4A250549
• Number of (n+2)X(5+2) 0..3 arrays with every consecutive three elements in every row and column not having exactly two distinct values, and in every diagonal and antidiagonal having exactly two distinct values, and new values 0 upwards introduced in row major order.at n=22A253022
• a(n) is the largest number such that every subsequence of digits of the number written in base n is prime.at n=43A282509
• Prime numbersat n=5055