Question 884546
2      5       28      -16     215
7      33      12      199     215
40     45      211     414
85     256     625
341    881
1222
The sixth term could be 1222


2      5       28      -16     215     0
7      33      12      199     215     0
40     45      211     414     215
85     256     625     629
341    881     1254
1222   2135
3357
7th term could be 3357