Primes p whose reverse q is a semiprime, and of p+q and its reverse one is a prime and the other is a semiprime.
A350781
Primes p whose reverse q is a semiprime, and of p+q and its reverse one is a prime and the other is a semiprime.
Terms
- a(0) =419a(1) =599a(2) =647a(3) =12497a(4) =13487a(5) =14461a(6) =15467a(7) =15991a(8) =16981a(9) =17431a(10) =17551a(11) =18097a(12) =18521a(13) =18541a(14) =19087a(15) =19427a(16) =20921a(17) =20929a(18) =22039a(19) =22349a(20) =22501a(21) =22567a(22) =22621a(23) =22669a(24) =22859a(25) =24091a(26) =24329a(27) =24799a(28) =26099a(29) =26209
External references
- oeis: A350781