49529

Properties

Appears in sequences

• Supersingular primes of the elliptic curve X_0 (11).at n=34A006962
• Number of 6-ary rooted trees with n nodes and height at most 4.at n=21A036621
• 0 together with numbers k such that 4*R_k - 3 is prime, where R_k = 11...1 is the repunit (A002275) of length k.at n=13A099412
• The lesser of twin primes p such that p*q+a+b+c are also the lesser of twin primes, (p and q are twin primes, p+2=q, a=p-1,b=(p+q)/2,c=q+1).at n=35A168536
• Number of (n+2)X(1+2) 0..4 arrays with every 3X3 subblock row and column sum prime and every diagonal and antidiagonal sum nonprime.at n=3A251878
• Number of (n+2)X(4+2) 0..4 arrays with every 3X3 subblock row and column sum prime and every diagonal and antidiagonal sum nonprime.at n=0A251881
• T(n,k)=Number of (n+2)X(k+2) 0..4 arrays with every 3X3 subblock row and column sum prime and every diagonal and antidiagonal sum nonprime.at n=6A251885
• T(n,k)=Number of (n+2)X(k+2) 0..4 arrays with every 3X3 subblock row and column sum prime and every diagonal and antidiagonal sum nonprime.at n=9A251885
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 493", based on the 5-celled von Neumann neighborhood.at n=40A272545
• Primes p such that q = p mod A001414(p-1) = p mod A001414(p+1) is prime.at n=32A339182
• Primes p such that (p^128 + 1)/2 is prime.at n=30A341230
• Prime numbersat n=5088