tr><td rowspan=2>x</td><td style=\"font-size: 10pt;\">" + String(j) + "</td></tr><tr><td style=\"font-size: 10pt;\">" + String(i + 1) + "</td></tr></table>";
			formula_html += "</td>";
		}
		formula_html += "</tr>";
	}
	formula_html += "</table>"; // A
	formula_html += "</td>";
	formula_html += "<td class=\"close_matrix\"></td>";
	formula_html += "<td style=\"font-size: 24pt;\">&nbsp; &nbsp;</td>";
	formula_html += "<td class=\"open_matrix\"></td>";
	formula_html += "<td>";
	formula_html += "<table>"; // x