Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).
%I #23 Apr 20 2015 21:00:08
%S 4,9,12,20,25,50,54,56,60,68,88,96,124,125,135,148,150,152,153,156,
%T 162,164,169,175,198,207,225,236,242,248,276,279,289,292,325,344,356,
%U 375,276,412,425,436,450,488,513,516,585,628,639,688,722,728,764,801,808,847,855,916,948
%N Squareful numbers that are not the sum of one or more consecutive squarefree numbers.
%C Numbers n such that A242667(n) = 0.
%Y Cf. A005117, A013929, A242667.
%K nonn,easy
%O 1,1
%A _Juri-Stepan Gerasimov_, Apr 20 2015