Count up by a multiple of 2 but when you reach 10 multiply that by 4

[pagstudios]

I will start

2

4

6

8

40

 

[Peter]

Am I supposed to start on the number that you ended on? Well, in that case I guess I have reached 10 already because the number is 40, and then it becomes 160 when multiplied by 4.

160

:unknown:

 

[kooshad]

640

 

[jelle619]

2560! I suppose...

 

[2greedy]

10,240

 

[henriquehassi]

Am I supposed to start on the number that you ended on? Well, in that case I guess I have reached 10 already because the number is 40, and then it becomes 160 when multiplied by 4.

160

 

[Uluram27]

41000-80

40,920