PLEASE PLEASE PLEASE HELO ILL GIVE BRAINEST

Answer:
4,19,39,59
Step-by-step explanation:
it’s actually pretty simple.
for the first one you take 1 and plug it into n which looks like:
g=5(1)-1
then find yourself answer:
5(1)= 5
5-1=4
answer is 4
then you plug your four into n:
5(4)-1= 19
answer is 19
then you plug your 8 into n:
5(8)-1=39
answer is 39
then you plug your 12 into n
5(12)-1= 59
answer 59
I HOPE I HELPED!!!!!!!!