727609

Appears in sequences

• a(n) = prime^2 and digits of prime do not appear in a(n).at n=29A030088
• Smallest nontrivial extension of n-th palindromic prime which is a square.at n=14A030681
• Smallest composite k such that phi(k) > k*(1-1/n^2).at n=28A069639
• Least square s such that A078142(s) is equal to the n-th prime.at n=14A076830
• Primes squared of the form k + prime(k).at n=11A104935
• "Binary prime squares": squares whose binary expansions, read as decimal expansions, are primes.at n=33A108324
• Number of nX3 binary arrays with no element equal to the mod 3 sum of its diagonal and antidiagonal neighbors.at n=15A183370
• Squares of numbers in Perrin sequence.at n=24A192932
• G.f.: 1 / Product_{n>=0} (1 - x^(n+6))^((n+1)*(n+2)*(n+3)*(n+4)*(n+5)/5!).at n=24A264926