41523

Appears in sequences

• Numbers n such that 9*10^n + 5*R_n + 2 is prime, where R_n = 11...1 is the repunit (A002275) of length n.at n=8A103102
• Numbers with 5 distinct digits {1,2,3,4,5} such that all adjacent digits (as well as first and last digits) are coprime.at n=39A104972
• Numbers k such that both the k-th and (k+1)-th primes have the same sum of digits squared but different sets of digits.at n=22A109183
• List of André permutations of the second kind.at n=20A278983
• Arises in a coin-weighing problem.at n=13A293949
• Numbers k such that (38*10^k + 349)/9 is prime.at n=20A296093
• Derangements of {1,2,...,n} (n >= 2) in lexicographic order.at n=35A320588