%I #7 Sep 25 2013 03:46:05
%S 1,3,10,13,19,22,33,38,47,53,59,69,78,82,102,107,110,115,119,129,141,
%T 151,161,173,182,187,206,210,215,218,227,246,258,265,274,278,309,314,
%U 318,327,334,346,359,367,382,389,391,397,426,429,437,446,462,465,470
%N Squarefree numbers whose indices are lucky numbers.
%C Originally arose as "Lucky numbers generated from squarefree numbers" under the hypothesis that Ulam's sieve (the one used to produce lucky numbers) ignores the values of the terms.
%F a(n) = A005117(A000959(n)). - _Charles R Greathouse IV_, Sep 16 2013
%Y Cf. A032605, A059987, A229205.
%K nonn
%O 1,2
%A _Charles R Greathouse IV_ and _M. F. Hasler_, Sep 24 2013