OFFSET
1,1
COMMENTS
Subsequence of A017221 (9n + 5).
LINKS
Odimar Fabeny, Table of n, a(n) for n = 1..10000
MATHEMATICA
Select[18Range[100] + 5, Not[PrimeQ[#]] &] (* Alonso del Arte, Sep 25 2014 *)
Select[Range[5, 2000, 18], CompositeQ] (* Harvey P. Dale, Feb 21 2016 *)
PROG
(PARI) lista(nn) = {forcomposite(n=1, nn, if ((n % 2) && ((n % 9) == 5), print1(n, ", ")); ); } \\ Michel Marcus, Sep 22 2014
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Odimar Fabeny, Sep 22 2014
STATUS
approved