A141026 Numbers n such that (n,n+8) forms a pair of consecutive primes ending respectively in 1 and 9.

401, 491, 701, 761, 911, 1571, 2531, 2741, 3011, 3041, 3221, 3491, 3701, 3881, 4751, 5051, 5171, 6221, 6521, 7151, 7691, 8171, 8681, 9311, 9941, 10151, 10391, 10631, 10781, 11321, 11681, 12281, 12401, 12791, 13151, 13241, 13781, 14411, 14771

Offset

1,1

Comments

For numbers n such that (n,n+2,n+6,n+8) forms a quadruplet of consecutive primes ending respectively in 1,3,7,9, see A007530.

Links

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

Mathematica

lst = Prime@ Range@ 1828; lst[[Select[Range@ 1828 - 1, Mod[ lst[[ # ]], 10] == 1 && lst[[ # ]] + 8 == lst[[ # + 1]] &]]] (* Robert G. Wilson v *)
Transpose[Select[Partition[Prime[Range[2000]], 2, 1], #[[2]]-#[[1]]==8 && Mod[ #[[1]], 10]==1&]][[1]] (* Harvey P. Dale, Mar 23 2015 *)

Crossrefs

Sequence in context: A029705 A096991 A332674 * A158313 A094614 A104926

Adjacent sequences: A141023 A141024 A141025 * A141027 A141028 A141029

Keyword

nonn,base

Author

Lekraj Beedassy, Jul 29 2008

Extensions

Inserted 491, 1571, sorted and extended R. J. Mathar, Aug 04 2008

Status

approved