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Twin lucky numbers (upper terms).
5

%I #8 Nov 15 2019 06:27:10

%S 3,9,15,33,51,69,75,129,135,171,195,237,261,285,321,393,429,477,489,

%T 519,537,579,615,621,645,729,741,885,897,927,933,981,993,1011,1023,

%U 1041,1095,1107,1203,1233,1251,1263,1389,1419,1473,1497,1503

%N Twin lucky numbers (upper terms).

%H Amiram Eldar, <a href="/A031159/b031159.txt">Table of n, a(n) for n = 1..10000</a>

%Y Cf. A000959, A031158, A031159, A031160.

%K nonn

%O 1,1

%A _Patrick De Geest_

%E Offset corrected by _Amiram Eldar_, Nov 15 2019