document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=656241>Question 656241</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the last element in the 20th row\r<BR>\n" );
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document.write( "                  1<BR>\n" );
document.write( "               2     3<BR>\n" );
document.write( "           4      5      6<BR>\n" );
document.write( "     7       8       9       10 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #409405 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=409405\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hint: The last number in each row is part of the <a  rel=nofollow HREF=\"http://en.wikipedia.org/wiki/Triangular_number\">Triangular Number Sequence</a>. </SPAN>\n" );
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