The following data 1, 4, 7, 10, 13, 16, 19 ···············································································,

The following data 1, 4, 7, 10, 13, 16, 19 ···············································································,

For the arithmetic sequence, the tolerance is 3 and the first term is 1
The general term an = 1 + 3 (n-1) = 3n-2
a100=298