%I #10 Jun 19 2021 02:42:31
%S 9,11,17,18,21,22,23,24,29,32,33,35,36,38,39,40,48,49,50,54,56,57,58,
%T 65,66,67,69,70,72,74,76,77,78,79,81,83,85,86,88,89,91,93,95,96,97,99,
%U 100,101,106,107,108,110,111,113,114,115,121,125,126,128,129
%N Indices of primefree generations.
%Y For "Generations" see A048448-A048455. See also A047844.
%K nonn
%O 1,1
%A _Patrick De Geest_, May 15 1999
%E More terms from _Sean A. Irvine_, Jun 18 2021