205441

Properties

Appears in sequences

• Prime hypotenuses of Pythagorean triangles with a prime leg.at n=24A067756
• Primes of the form 50n^2 + 10n + 1.at n=26A154428
• Number of (w,x,y,z) with all terms in {1,...,n} and |w-x|>=|x-y|+|y-z|.at n=31A212574
• Primes of the form (p^k + k - 1)/k for prime p and some k > 1.at n=31A230444
• Primes representable as p^q + p + q, where p and q are primes.at n=9A249444
• Primes representable as x^y + x + y, where x>1, y>1 are integers.at n=19A253776
• Hypotenuses of primitive Pythagorean triangles two sides of which are Pythagorean primes.at n=11A308341
• Primes of the form (p^k+1)/2 where p is prime and k > 1.at n=31A308442
• Prime numbersat n=18420