I am not that smart but I would go for cxa2530 or V13 if you want to space them 1foot apart!
V10 are too "light" imo!
V13 @500mA are 16w and 32V so the minimum per sq/ft for a good vegg!
I saw some grow under V10 and it was a bit stretchy...or you will need twice the number you thought and at...