A207991 Primes of the form prime(n) + prime(n+1) + 5.

13, 17, 23, 29, 41, 47, 73, 83, 89, 149, 157, 167, 191, 227, 263, 281, 293, 313, 389, 401, 439, 461, 467, 563, 569, 653, 673, 701, 757, 857, 877, 887, 911, 929, 971, 983, 1049, 1069, 1093, 1109, 1153, 1213, 1277, 1289, 1433, 1451, 1487, 1499, 1523, 1637

Offset: 1

Author

Vladimir Joseph Stephan Orlovsky, Feb 22 2012

Keywords

• nonn
• less

Links

• Vincenzo Librandi, Table of n, a(n) for n = 1..3000

Crossrefs

Cf. A072669, A092738, A207990.

Programs

Mathematica

Select[Table[Prime[n] + Prime[n + 1] + 5, {n, 200}], PrimeQ]
Select[Total[#]+5&/@Partition[Prime[Range[300]],2,1],PrimeQ] (* Harvey P. Dale, Dec 28 2021 *)

PARI

p=2;forprime(q=3,1e4,if(isprime(t=p+q+5),print1(t", "));p=q) \\ Charles R Greathouse IV, Apr 13 2012