Numbers starting with 5 such that the sum of any two distinct entries is two times some prime.
A180565
Numbers starting with 5 such that the sum of any two distinct entries is two times some prime.
Terms
- a(0) =5a(1) =9a(2) =17a(3) =29a(4) =77a(5) =197a(6) =689a(7) =44537a(8) =159617a(9) =374249a(10) =695957a(11) =4343237a(12) =8439595349a(13) =196119836669
External references
- oeis: A180565