sequentially vs consecutive

sequentially is not an adjective while consecutive is an adjective.

Word	Noun	Adjective	Verb	Adverb
sequentially	No	No	No	Yes
consecutive	No	Yes	No	Yes

As adverbs, sequentially and consecutive are synonyms defined as:

sequentially (adjective)	consecutive (adjective)
	successive (without a break)
	in regular succession without gaps
	one after the other

sequentially (adverb)	consecutive (adverb)
in a sequential manner	in a sequential manner