here's a rewrite maybe easier to understand
Seedlings/clones
13,500 lux at soil level
Veg - by week 2 (@ 6" or 4-5 nodes tall)
16-17,000 lux
Veg - @ week 4 (@12" or 8-10 nodes tall)
24,000 lux
Flower
35,000 to 60,000 lux
start at 35k increase a little every few days until week 3 of flower...