A078961 Primes p such that the differences between the 5 consecutive primes starting with p are (6,4,2,4).

31, 1291, 1861, 1987, 2677, 4507, 5641, 7867, 13681, 17377, 24097, 35521, 42451, 44257, 55807, 80671, 88651, 88801, 93481, 110557, 113011, 113161, 118891, 134581, 155371, 163981, 198817, 221707, 234181, 266671, 269377, 284731, 290611

Offset

1,1

Comments

Equivalently, p, p+6, p+10, p+12 and p+16 are consecutive primes.

Subsequence of A078855. - R. J. Mathar, May 06 2017

Links

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

Example

31 is in the sequence since 31, 37, 41, 43 and 47 are consecutive primes.

Mathematica

Transpose[Select[Partition[Prime[Range[26000]], 5, 1], Differences[#]=={6, 4, 2, 4}&]][[1]] (* Harvey P. Dale, Aug 26 2014 *)

Crossrefs

Cf. A001223, A078866, A078867, A078946-A078971, A022006, A022007.

Sequence in context: A130004 A182784 A139162 * A261856 A049292 A289473

Adjacent sequences: A078958 A078959 A078960 * A078962 A078963 A078964

Keyword

nonn

Author

Labos Elemer, Dec 19 2002

Extensions

Edited by Dean Hickerson, Dec 20 2002

Status

approved