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Composites of the form 26k + 17.
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%I #12 Sep 08 2022 08:45:34

%S 69,95,121,147,225,303,329,355,381,407,459,485,511,537,589,615,667,

%T 693,745,771,849,875,901,927,979,1005,1057,1083,1135,1161,1239,1265,

%U 1317,1343,1369,1395,1421,1473,1525,1551,1577,1603,1629,1655,1681,1707,1785

%N Composites of the form 26k + 17.

%t Select[26*Range[80]+17,!PrimeQ[#]&] (* _Harvey P. Dale_, Oct 22 2013 *)

%o (Magma) [(26*n+17): n in [0..100]|not IsPrime(26*n+17)] // _Vincenzo Librandi_, Dec 18 2010

%Y Cf. A093191.

%K nonn,less

%O 1,1

%A _Juri-Stepan Gerasimov_, Jun 14 2008

%E Edited by _R. J. Mathar_, Jun 16 2008