5053620

Appears in sequences

• Area ar/6 (divided by 6) 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, ar=a*b/2; s=a+b+c, s-+1 are primes.at n=22A155177
• Fundamental discriminant D < 0 with the least absolute value such that the first n primes p have (D/p) >= 0, negated.at n=20A306218
• Fundamental discriminant D < 0 with the least absolute value such that the first n primes p have (D/p) >= 0, negated.at n=21A306218
• Fundamental discriminant D < 0 with the least absolute value such that the first n primes p have (D/p) >= 0, negated.at n=22A306218
• Fundamental discriminant D < 0 with the least absolute value such that the first n primes p have (D/p) >= 0, negated.at n=23A306218
• Indices of records of A232928.at n=14A329953