%I
%S 1,3,5,9,13,16,18,27,29,35,38,46,49,53,59,69,75,80,83,87,90,95,100,
%T 102,106,117,120,136,138,141,143,149,151,154,156,159,164,167,178,182,
%U 185,187,201,205,211,215,217,221,227,229,232,246,248,256,265,271,283,286
%N Indices k for which A031883(k) = 2 = A000959(k+1)A000959(k), i.e., indices of (lesser) "twin" lucky numbers.
%H Amiram Eldar, <a href="/A181557/b181557.txt">Table of n, a(n) for n = 1..10000</a>
%Y Cf. A000959, A031883.
%K nonn
%O 1,2
%A _M. F. Hasler_, Oct 31 2010
