76155

Appears in sequences

• an=n-th smallest integer m=p1*p2*p3, product of 3 odd primes such that d+2m/d are all primes for d dividing 2m.at n=25A128278
• a(n) = (4*n^3 - 6*n^2 + 8*n + 3)/3.at n=39A161712