document.write( "Question 954718: there are three questions\r
\n" ); document.write( "\n" ); document.write( "3128 3130 3130 3131 ?\r
\n" ); document.write( "\n" ); document.write( "3 1 2 3 2 4 5 6 ? ?\r
\n" ); document.write( "\n" ); document.write( "F P N ? M
\n" ); document.write( "

Algebra.Com's Answer #584349 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
\r\n" );
document.write( "3128, 3130, 3130, 3131,\r\n" );
document.write( "\r\n" );
document.write( "That seems to be starting with the sequence of integers: \r\n" );
document.write( "\r\n" );
document.write( "3128, 3129, 3130, 3131, 3132, 3133, 3134, 3135, 3136,...\r\n" );
document.write( "\r\n" );
document.write( "Grouping them into threes:\r\n" );
document.write( "\r\n" );
document.write( "(3128, 3129, 3130), (3131, 3132, 3133), (3134, 3135, 3136)...\r\n" );
document.write( "\r\n" );
document.write( "and adding 1 to the middle number of each group\r\n" );
document.write( "\r\n" );
document.write( "(3128, 3129, 3130), (3131, 3132, 3133), (3134, 3135, 3136),...\r\n" );
document.write( "         +1                  +1                  +1\r\n" );
document.write( "--------------------------------------------------------------\r\n" );
document.write( "(3128, 3130, 3130), (3131, 3133, 3133), (3134, 3136, 3136),...\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "========================================================== \r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "3, 1, 2, 3, 2, 4, 5, 6, ?, ?,\r\n" );
document.write( "\r\n" );
document.write( "Put in some parentheses and question marks:\r\n" );
document.write( "\r\n" );
document.write( "3, (1, 2, 3), 2, (4, 5, 6), ?, (?, ?, ?), ?, (?, ?, ?), ...    \r\n" );
document.write( "\r\n" );
document.write( "Extend the pattern (in red):\r\n" );
document.write( "\r\n" );
document.write( "3, (1, 2, 3), 2, (4, 5, 6), 1, (7, 8, 9), 0, (10, 11, 12), ...\r\n" );
document.write( "\r\n" );
document.write( "========================================================\r\n" );
document.write( "\r\n" );
document.write( "F, P, N, ?, M,\r\n" );
document.write( "\r\n" );
document.write( "I have no idea.  Sorry!\r\n" );
document.write( "\r\n" );
document.write( "Edwin
\n" ); document.write( "
\n" );