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Lucky numbers (A000959) which are congruent to 3 mod 7.
2

%I #10 Dec 13 2019 02:56:12

%S 3,31,73,87,115,129,171,241,283,297,339,367,409,451,535,577,591,619,

%T 717,745,787,801,885,927,997,1011,1039,1053,1095,1123,1179,1249,1263,

%U 1291,1389,1417,1459,1473,1501,1543,1585,1599,1641,1711,1767,1809,1879,1893,1921

%N Lucky numbers (A000959) which are congruent to 3 mod 7.

%H Amiram Eldar, <a href="/A137185/b137185.txt">Table of n, a(n) for n = 1..10000</a>

%Y Intersection of A000959 and A017017.

%K nonn

%O 1,1

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