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A031879 Nonprime lucky numbers. 3

%I #15 Dec 12 2019 07:55:05

%S 1,9,15,21,25,33,49,51,63,69,75,87,93,99,105,111,115,129,133,135,141,

%T 159,169,171,189,195,201,205,219,231,235,237,259,261,267,273,285,289,

%U 297,303,319,321,327,339,357,361,385,391,393,399,415,427

%N Nonprime lucky numbers.

%H Amiram Eldar, <a href="/A031879/b031879.txt">Table of n, a(n) for n = 1..10000</a>

%Y Intersection of A000959 and A018252.

%Y Cf. A031157.

%K nonn

%O 1,2

%A _Patrick De Geest_

%E Name corrected by _Giovanni Resta_, Jun 20 2016

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Last modified March 28 04:13 EDT 2024. Contains 371235 sequences. (Running on oeis4.)