Question 1081427

plz help me solve this: Gp has 6 and 24 as its 2nd and 4rh terms respectively, now I need the first four terms 
<pre>You already have the 2nd and 4th. The 1st and 3rd can be: {{{highlight_green(matrix(1,7, 3, and, "12,", or, - 3, and, - 12))}}}