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

Author

Pierre CAMI, Dec 09 2003

Keywords

• easy
• nonn

Examples

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

Links

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

Crossrefs

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

Programs

Mathematica

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

Extensions

More terms from Harvey P. Dale, Dec 12 2015