<PRE><B>Question 881019</B>
Is this one series or several series?
6,10,27,52,153

6      4       13      -5      73
10     17      8       68      73
27     25      76      141
52     101     217
153    318
471
The sixth term is 471

12     3       12      -19.5   57
15     15      -7.5    37.5    57
30     7.5     30      94.5
37.5   37.5    124.5
75     162.0
237
The sixth term is 237


88 -32 -5
56 -37 -5
19 -42
-23
The 4th  term is -23
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