The difference between each of the consecutive terms increases by 6.5 per iteration. This leads to a difference of 32.5 for the last step resulting in:
2.5
!BEER
Comment 34/500
The difference between each of the consecutive terms increases by 6.5 per iteration. This leads to a difference of 32.5 for the last step resulting in:
2.5
!BEER
Comment 34/500