A140380 Composites of the form 14k + 3.

45, 87, 115, 129, 143, 171, 185, 213, 255, 297, 325, 339, 381, 395, 423, 437, 451, 465, 493, 507, 535, 549, 591, 605, 633, 675, 689, 703, 717, 731, 745, 759, 801, 815, 843, 871, 885, 899, 913, 927, 955, 969, 1011, 1025, 1053, 1067, 1081, 1095, 1137, 1165

Offset: 1

Author

Juri-Stepan Gerasimov, Jun 13 2008

Keywords

• nonn
• less

Crossrefs

Cf. A045437.

Programs

Magma

[(14*n+3): n in [0..100]|not IsPrime(14*n+3)] // Vincenzo Librandi, Dec 18 2010

Mathematica

Select[14Range[100]+3,!PrimeQ[#]&] (* Harvey P. Dale, Aug 15 2011 *)

Extensions

Edited by R. J. Mathar, Jun 16 2008