%I A055554
%S A055554 242,1757711582,3515422922,5273134262,7030845602,8788556942,
%T A055554 10546268282,12303979622,14061690962,15819402302,17577113642,
%U A055554 19334824982,21092536322,22850247662,24607959002,26365670342
%N A055554 An arithmetic progression each term of which is followed by at least 
               4 non-square-free consecutive integers.
%C A055554 From the terms of A051681 or A045882 similar progressions for longer 
               chains can be constructed.
%H A055554 Tanya Khovanova, <a href="http://www.tanyakhovanova.com/RecursiveSequences/
               RecursiveSequences.html">Recursive Sequences</a>
%F A055554 a(n)=d*n+242, where d=LCM[242, 243, 244, 245]=1757711340=2.2.3.3.3.3.3.5.7.11.11.61
%Y A055554 A005117, A013929, A053806, A053797, A045882, A051681.
%Y A055554 Sequence in context: A022153 A013472 A013478 this_sequence A018871 A046318 
               A046375
%Y A055554 Adjacent sequences: A055551 A055552 A055553 this_sequence A055555 A055556 
               A055557
%K A055554 nonn
%O A055554 1,1
%A A055554 Labos E. (labos(AT)ana.sote.hu), Jul 10 2000