Experience

Experience are points needed to level up your character. Amount needed for the next level increases at each level. You get experience points from Jobs, Robbing, Fights, Boss Fight and helping your mafia with jobs.

The Formula
The very early levels are strange, but by level 14 the formula has started and every level after that plays by the same rules. Use this table to build an excel spreadsheet and you can see it for any level you want. After you make your table just copy line 3 for all the rest of the lines. Enter a starting number in cell A2 (any number bigger than 12) and the table will fill in the rest for you.

The total number of points needed to reach any level is (you will need to round up for odd levels by adding 0.75):

From this we can see that the experience needed to go through a particular level grows linearly (since the total experience grows quadratically). Since energy/stamina also grow linearly per level, this makes serial leveling asymptotically viable.

A recursive-inspired way to calculate directly the experience needed in this level is to notice that to reach an odd level you will need 11 more points than the even level below your target. To reach an even level you need 14 more. This leads to another equivalent formula to calculate the experience needed:

You could also use D3 = CEILING((12.5*A3 + 6.5),1), where D3 = Change in additional points

Experience Table (old version)
This section is left here so someone who is wise in the ways of such things to make the new tables look pretty and put in the values for the first 11 levels. If you can make those first 11 levels look different that would be even better.

Experience Table
There are three columns for each level. The 'Total' is the number of total number of points needed to reach this level. The 'Needed' column is the number of new points needed to reach the next level. Note that 11 more points are needed to reach an odd level and 14 more for an even level after level 12.

Lv. 901-1000
* this is the total experience needed