WordNet sense 1 (in regular succession without gaps):

sequential, serial, successive, sequent

WordNet sense 2 (having a systematic arrangement; especially having elements succeeding in order according to rule):

ordered

WordNet sense 3 (successive (without a break)):

straight

WordNet sense 4 (continuing in time or space without interruption):

continuous

WordNet sense 5 (in a consecutive manner):

sequentially

WordNet sense 6 (one after the other):

back-to-back

WordNet sense 7 (coming after or following):

succeeding