A073650 Define the composite field of a prime q to be f(q) = (t,s) if p, q, r are three consecutive primes and q-p = t and r-q = s. This is a sequence of primes q with field (2,6).

31, 61, 73, 151, 271, 433, 571, 601, 1033, 1063, 1231, 1291, 1321, 1453, 1621, 2131, 2341, 2383, 2551, 2713, 2791, 3301, 3541, 4021, 4051, 4093, 4651, 4723, 5101, 5443, 5521, 5641, 5743, 5851, 6271, 6361, 6571, 6703, 6961, 7213, 8011, 9001, 9043, 9343

Offset

1,1

Links

Alois P. Heinz, Table of n, a(n) for n = 1..1000

Mathematica

Transpose[Select[Partition[Prime[Range[1200]], 3, 1], Differences[#] == {2, 6}&]][[2]] (* Harvey P. Dale, Jul 23 2011 *)

Crossrefs

Cf. A073648, A073649.

Sequence in context: A185934 A052158 A095672 * A078562 A054804 A128470

Adjacent sequences: A073647 A073648 A073649 * A073651 A073652 A073653

Keyword

nonn

Author

Amarnath Murthy, Aug 09 2002

Extensions

More terms from Benoit Cloitre, Aug 13 2002

Status

approved