document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1100246>Question 1100246</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1,1,2,4,6,18,21,? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #714749 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=714749\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1, 1, 2, 4, 6, 18, 21, 84, 88, 440, 445, 2670, 2676, 18732, 18739, 149912, 149920, 1349280, 1349289, 13492890, 13492900, 148421900, 148421911, 1781062932, 1781062944, 23153818272,\r<BR>\n" );
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document.write( "Multiply by 1, add 1, multiply by 2, add 2, etc. \r<BR>\n" );
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document.write( "also see https://www.algebra.com/algebra/homework/Sequences-and-series/Sequences-and-series.faq.question.884472.html </SPAN>\n" );
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