Numbers k such that k = p+q = r+s with p*q = r*s = primorial number(A002110) (p*q) < (r*s).
A057230
Numbers k such that k = p+q = r+s with p*q = r*s = primorial number(A002110) (p*q) < (r*s).
Terms
- a(0) =31a(1) =107a(2) =391a(3) =467a(4) =34049a(5) =67973a(6) =176413
External references
- oeis: A057230