Primes p such that q = p+d (with d >= 6) is the next prime and both p and q are Sophie Germain primes.
A128825
Primes p such that q = p+d (with d >= 6) is the next prime and both p and q are Sophie Germain primes.
Terms
- a(0) =23a(1) =83a(2) =173a(3) =233a(4) =653a(5) =1013a(6) =1223a(7) =1499a(8) =1889a(9) =2063a(10) =2393a(11) =2543a(12) =2693a(13) =2963a(14) =3803a(15) =4373a(16) =5039a(17) =6101a(18) =6263a(19) =6323a(20) =6491a(21) =7079a(22) =7643a(23) =7883a(24) =9473a(25) =10691a(26) =13883a(27) =14153a(28) =14303a(29) =15161
External references
- oeis: A128825