102221

Appears in sequences

• Templates for lunar primes in any base (version 1).at n=26A171750
• Number of sequences of n integers p(i) i=0..n-1 with 0<=p(i)<=6*i and |p(i)-p(i-1)|<=6.at n=5A180902
• Templates for lunar primes in any base (version 3).at n=19A191420
• After the 51-digit 2^168, a(n) is the number setting a record for non-pandigital right segment length of 2^a(n).at n=8A217608