Answer:
akjnajknlkicea
Step-by-step explanation:
The answer is 5. If you do 3/8 x 4 you get 1.5, if you multiply 1/2 x 3 you get 1.5, if you do 1/4 x 3 you get .75 and if you do 5/8 x 2 you get 1.25. So, 1.5 + 1.5 + .75 + 1.25 = 5
If you are asking for just an arbitraty sequence, here it goes:

Answer:
26
Step-by-step explanation:
a²+2a+2

16+8+2
24+2
26