A140377 Composites of the form 26k + 3.
55, 81, 133, 159, 185, 237, 289, 315, 341, 393, 445, 471, 497, 549, 575, 627, 679, 705, 731, 783, 835, 861, 913, 939, 965, 1017, 1043, 1095, 1121, 1147, 1173, 1199, 1225, 1251, 1329, 1355, 1407, 1485, 1537, 1563, 1589, 1615, 1641, 1719, 1745, 1771, 1797
Offset: 1
Crossrefs
Cf. A100202.
Programs
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Magma
[(26*n+3): n in [0..100]|not IsPrime(26*n+3)] // Vincenzo Librandi, Dec 18 2010
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Mathematica
Select[26*Range[100]+3,CompositeQ] (* Harvey P. Dale, Jun 03 2023 *)
Extensions
Edited by R. J. Mathar, Jun 16 2008