The initial prime in the first set of n consecutive primes for which p+4 is semiprime.
A137625
The initial prime in the first set of n consecutive primes for which p+4 is semiprime.
Terms
- a(0) =2a(1) =29a(2) =173a(3) =709a(4) =1741a(5) =8297a(6) =8297a(7) =19213a(8) =175229a(9) =175229a(10) =33952609a(11) =4377722623a(12) =4377722623
External references
- oeis: A137625