151801

Appears in sequences

• Hypotenuse C of primitive Pythagorean triangles such that perimeters are Averages of twin prime pairs, q=p+1, a=q^2-p^2, c=q^2+p^2, b=2*p*q, s=a+b+c, s-+1 are primes.at n=23A155175
• Positive numbers y such that y^2 is of the form x^2+(x+119)^2 with integer x.at n=41A156650