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%I #12 Apr 26 2019 17:43:29
%S 1,3,5,8,12,22,36,55,77,102,133,169,187,248,296,320,343,395,483,547,
%T 652,768,809,851,893,935,1023,1065,1158,1206,1256,1359,1412,1522,1631,
%U 1746,1805,1932,1992,2057,2316,2385,2454,2665,2812,2887,3043,3119,3199,3279
%N a(n)-th squarefree is sum of first k squarefrees for some k.
%Y Cf. A005117, A013930, A013931, A013932.
%K nonn
%O 1,2
%A _N. J. A. Sloane_, Renaud Lifchitz (100637.64(AT)CompuServe.COM), _David W. Wilson_
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