A140368 Composites of the form 26k + 17.

69, 95, 121, 147, 225, 303, 329, 355, 381, 407, 459, 485, 511, 537, 589, 615, 667, 693, 745, 771, 849, 875, 901, 927, 979, 1005, 1057, 1083, 1135, 1161, 1239, 1265, 1317, 1343, 1369, 1395, 1421, 1473, 1525, 1551, 1577, 1603, 1629, 1655, 1681, 1707, 1785

Offset

1,1

Links

Table of n, a(n) for n=1..47.

Mathematica

Select[26*Range[80]+17, !PrimeQ[#]&] (* Harvey P. Dale, Oct 22 2013 *)

Prog

(Magma) [(26*n+17): n in [0..100]|not IsPrime(26*n+17)] // Vincenzo Librandi, Dec 18 2010

Crossrefs

Cf. A093191.

Sequence in context: A254712 A197172 A253154 * A039434 A043257 A044037

Adjacent sequences: A140365 A140366 A140367 * A140369 A140370 A140371

Keyword

nonn,less

Author

Juri-Stepan Gerasimov, Jun 14 2008

Extensions

Edited by R. J. Mathar, Jun 16 2008

Status

approved