A090834 Primes p such that p, p+6, p+12, p+18 are consecutive primes and p=6*k+5 for some k.

251, 5381, 6311, 12641, 13451, 14741, 15791, 17471, 23321, 26171, 56081, 62201, 75521, 78791, 82781, 84431, 89381, 94421, 95261, 104711, 115751, 120551, 121001, 154061, 162251, 163841, 179801, 185051, 187361, 191021, 206021, 214451, 222311, 226631, 243521

Offset

1,1

Links

Harvey P. Dale, Table of n, a(n) for n = 1..1000

Example

251,257,263,269 are consecutive primes,257=251+6,263=251+12,269=251+18 and 251=6*41+5

Mathematica

Transpose[Select[Partition[Prime[Range[30000]], 4, 1], Differences[#]=={6, 6, 6}&&IntegerQ[(#[[1]]-5)/6]&]][[1]] (* Harvey P. Dale, Dec 12 2015 *)

Crossrefs

Cf. A033451, A090832, A090833, A090835, A090836, A090837, A090838, A090839.

Sequence in context: A340636 A234929 A218639 * A078968 A365468 A052239

Adjacent sequences: A090831 A090832 A090833 * A090835 A090836 A090837

Keyword

easy,nonn

Author

Pierre CAMI, Dec 09 2003

Extensions

More terms from Harvey P. Dale, Dec 12 2015

Status

approved