Riddle: What sequence counts without numbers, starts at one,…

Riddle

i-start-with-one-then-two-then-three-and-so-on-without

Riddle

i-can-measure-the-width-of-a-smile-or-the-length-of-a

Riddle

i-can-be-heavy-or-light-but-youll-never-see-me-with

Riddle

i-start-at-2-then-double-each-time-im-under-40-and-end

Riddle

i-am-a-sequence-that-starts-with-one-and-grows-to