674041

Appears in sequences

• Smith square numbers.at n=16A098839
• Squares of lesser of twin primes.at n=31A108570
• Prime powers p^k with even exponents k > 0 such that (1 + p^k)/2 is prime.at n=35A192618
• Composite numbers with both 10 and -10 as primitive root.at n=28A218766
• Number of (n+1)X(5+1) 0..1 arrays with no element having a strict majority of its horizontal and antidiagonal neighbors equal to one.at n=3A231994
• T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with no element having a strict majority of its horizontal and antidiagonal neighbors equal to one.at n=31A231997
• Number of (4+1)X(n+1) 0..1 arrays with no element having a strict majority of its horizontal and antidiagonal neighbors equal to one.at n=4A232001
• Perfect powers m^k such that m, k and m+k are primes.at n=35A258400
• Square numbers in A070552.at n=28A263951
• a(n) is the smallest k such that A345699(k) = n.at n=16A345763