the first 5 numbers of the secunce are:
[tex]-2,3,-1,4,0[/tex]if you see the first, the 3 and the 5 number of the secunce the are growing by one unit is:
[tex]-2,-1,0[/tex]and the same with the second and 4 term:
[tex]3,4[/tex]So we can complete the secuence like:
[tex]-2,3,-1,4,0,5,1,6,2,7[/tex]