2181953771

Appears in sequences

• a(n) is the smallest suffix such that the numbers with k digits "9" prepended are primes for k = 1, 2, ..., n.at n=8A186142
• a(n) is the smallest suffix such that the numbers with k digits "9" prepended are primes for k = 1, 2, ..., n.at n=9A186142
• a(n) is the smallest suffix such that the numbers with k digits "9" prepended are primes for k = 1, 2, ..., n.at n=10A186142