A031937 Upper prime of a difference of 18 between consecutive primes.

541, 1087, 1277, 1399, 1777, 1931, 2179, 2521, 2879, 3821, 3907, 4177, 4391, 4441, 4481, 4621, 4721, 4751, 5077, 5227, 5501, 6029, 6247, 6469, 6547, 6599, 6637, 7177, 7369, 7411, 7451, 7477, 7639, 7901, 8209, 8779, 9127, 9311, 9767

Offset: 0

Author

Jeff Burch

Keywords

• nonn

Links

• Harvey P. Dale, Table of n, a(n) for n = 0..1000
• Index entries for primes, gaps between

Crossrefs

Cf. A031935.

Programs

Mathematica

Transpose[Select[Partition[Prime[Range[1300]],2,1],Last[#]-First[#] == 18&]][[2]] (* Harvey P. Dale, Oct 06 2011 *)

Formula

a(n) = A031936(n)+18.