%0 Journal Article
%T Avoiding Three Consecutive Blocks of the Same Size and Same Sum
%A Julien Cassaigne
%A James D. Currie
%A Luke Schaeffer
%A Jeffrey Shallit
%J Computer Science
%D 2011
%I arXiv
%X We show that there exists an infinite word over the alphabet {0, 1, 3, 4} containing no three consecutive blocks of the same size and the same sum. This answers an open problem of Pirillo and Varricchio from 1994.
%U http://arxiv.org/abs/1106.5204v3