A132259 - OEIS

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A132259

Isolated primes congruent to {1, 17, 19, 29} mod 30.

47, 79, 89, 167, 211, 257, 317, 331, 359, 379, 389, 409, 439, 449, 467, 479, 499, 509, 541, 557, 587, 631, 647, 677, 691, 709, 719, 739, 751, 769, 797, 839, 887, 919, 929, 947, 977, 991, 1009, 1039, 1069, 1097, 1109, 1129, 1171, 1187

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

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

C. K. Caldwell, The Prime Pages.

Omar E. Pol, Determinacion geometrica de los numeros primos y perfectos.

MATHEMATICA

Select[Prime[Range[200]], NoneTrue[#+{2, -2}, PrimeQ]&&MemberQ[ {1, 17, 19, 29}, Mod[ #, 30]]&] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Mar 04 2019 *)

CROSSREFS

Cf. A007510, A074822, A078857.

Sequence in context: A043248 A044028 A126095 * A046002 A347695 A132257

Adjacent sequences: A132256 A132257 A132258 * A132260 A132261 A132262

KEYWORD

easy,nonn

AUTHOR

Omar E. Pol, Aug 20 2007

STATUS

approved