Squarefree semiprimes A006881(m) such that |A006881(m)-A007304(m)| = 1.
A058894
Squarefree semiprimes A006881(m) such that |A006881(m)-A007304(m)| = 1.
Terms
- a(0) =1280073a(1) =1280438a(2) =1280441a(3) =1281166a(4) =1281191a(5) =1281242
External references
- oeis: A058894