50969

Properties

Appears in sequences

• 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=37A168536
• Prime partial sums of Sophie Germain primes A005384.at n=7A172037
• Sophie Germain primes equal to the sum of the first k Sophie Germain primes for some k.at n=3A325957
• Expansion of Product_{k>=1} (Product_{j=1..k} 1/(1 - x^(k*j))^k).at n=18A327067
• Primes that are sums of a sequence of consecutive terms of A006094.at n=21A340537
• a(1) = a(2) = 1; a(n) = gcd(a(n-1), a(n-2)) + (a(n-1) + a(n-2))/gcd(a(n-1), a(n-2)).at n=41A355898
• Primes having only {0, 5, 6, 9} as digits.at n=20A386078
• Prime numbersat n=5219