Semiprimes A001358(k) = p*q such that p*q+p+q and r*s+r+s are consecutive primes, where A001358(k+1)=r*s.
A330478
Semiprimes A001358(k) = p*q such that p*q+p+q and r*s+r+s are consecutive primes, where A001358(k+1)=r*s.
Terms
- a(0) =33a(1) =1718a(2) =4174a(3) =7971a(4) =8434a(5) =11114a(6) =13011a(7) =14005a(8) =16645a(9) =17571a(10) =29787a(11) =30574a(12) =43647a(13) =58414a(14) =63177a(15) =65006a(16) =69694a(17) =71794a(18) =87218a(19) =95314a(20) =97827a(21) =104485a(22) =125738a(23) =126394a(24) =150334a(25) =193594a(26) =196341a(27) =198694a(28) =200378a(29) =201094
External references
- oeis: A330478