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Lucky numbers (A000959) which are congruent to 0 mod 3.
2

%I #9 Dec 12 2019 07:58:10

%S 3,9,15,21,33,51,63,69,75,87,93,99,105,111,129,135,141,159,171,189,

%T 195,201,219,231,237,261,267,273,285,297,303,321,327,339,357,393,399,

%U 429,477,483,489,495,519,537,579,591,615,621,639,645,651,693,699,717,723,729,735

%N Lucky numbers (A000959) which are congruent to 0 mod 3.

%H Amiram Eldar, <a href="/A137164/b137164.txt">Table of n, a(n) for n = 1..10000</a>

%Y Intersection of A000959 and A008585.

%K nonn

%O 1,1

%A _N. J. A. Sloane_, Mar 07 2008