15 words — Mathieu 'p01' Henri on June 14th, 2004
A cute Sierpinski gaskets in 96 bytes of DHTML.
<body onload=for(A=[],A[49]=i=1;i<3137;)document.write(i++%98?'_#'[A[i]|=A[i-97]^A[i-99]]:'\n')>
