Prime numbers p such that (2*p)# - p# + 1 is prime, where p# = A034386(p).
A379380
Prime numbers p such that (2*p)# - p# + 1 is prime, where p# = A034386(p).
Terms
- a(0) =1a(1) =2a(2) =5a(3) =17a(4) =103a(5) =113a(6) =193a(7) =277a(8) =3671a(9) =9419a(10) =12671a(11) =30809a(12) =34439a(13) =83833a(14) =89227a(15) =106103a(16) =107101a(17) =175303a(18) =398903
External references
- oeis: A379380