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%I #3 Mar 30 2012 17:40:18
%S 2,5,7,11,12,14,17,18,20,23,27,29,31,32,37,38,40,41,42,44,47,50,51,52,
%T 56,57,59,62,65,67,68,69,70,73,74,77,82,83,84,86,87,88,92,95,96,98,
%U 101,102,104,107,109,110,112,113,117,119,122,125,126,127,128,131,132,135,137,139
%N Offsets i such that i + n*(n+1)/2 is never a perfect square for any n>0.
%C Complement of A175035.
%Y Cf. A001108, A006451, A154138, A154139, A154140, A154141
%K easy,nonn
%O 1,1
%A _Ctibor O. Zizka_, Nov 10 2009
%E Extended by _R. J. Mathar_, Nov 26 2009
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