document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=978079>Question 978079</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the next number that comes into the following series.... 1, 9, 36, 100, 225,  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #599565 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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/cgi-bin/show-face.mpl?user=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=599565\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1^2, 3^2, 6^2, 10^2, 15^2.  The next one should be 21^2, since the difference in the squares is one more for each 1 to 3 is 2,  3to 6 is 3; 6 to 10 is 4; 10 to 15 is 5.<BR>\n" );
document.write( "21^2=441. </SPAN>\n" );
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