document.write( "Question 867268: 3, -6, 12, 4, 20, ? \n" ); document.write( "
Algebra.Com's Answer #526592 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
3, -6, 12, 4, 20, 213, 839, 2257, 4929 \n" ); document.write( "
\n" );