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

0,1

Links

Harvey P. Dale, Table of n, a(n) for n = 0..1000

Index entries for primes, gaps between

Formula

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

Mathematica

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

Crossrefs

Cf. A031935.

Sequence in context: A160200 A363717 A112371 * A031921 A129932 A226800

Adjacent sequences: A031934 A031935 A031936 * A031938 A031939 A031940

Keyword

nonn

Author

Jeff Burch

Status

approved