document.write( "Question 773539: 2,6,12,20......... \n" ); document.write( "
Algebra.Com's Answer #471632 by Cromlix(4381)\"\" \"About 
You can put this solution on YOUR website!
2,6,12,20,30,42,56
\n" ); document.write( "The difference between ascends
\n" ); document.write( "in units of two starting with 4
\n" ); document.write( "2-6 = 4
\n" ); document.write( "6-12 = 6
\n" ); document.write( "12-20 = 8
\n" ); document.write( "20-30 = 10
\n" ); document.write( "30-42 = 12
\n" ); document.write( "And so on....
\n" ); document.write( "Hope this helps.
\n" ); document.write( ":-)
\n" ); document.write( "
\n" );