RSEQ from to count

Outputs an ordered list of count equally spaced rational numbers starting with from and ending with to. If from is greater than to, then RSEQ outputs a sequence that counts backwards.

The name RSEQ is short for "Rational number SEQuenece".

SHOW RSEQ 3 5 9
[3 3.25 3.5 3.75 4 4.25 4.5 4.75 5]

SHOW RSEQ 3 5 5
[3 3.5 4 4.5 5]