ISEQ from to

Outputs a consecutive ordered list of integers starting with from and ending with to. If from is greater than to, then ISEQ outputs a sequence that counts backwards.

The name ISEQ is short for "Integer SEQuence".

SHOW ISEQ 3 7
[3 4 5 6 7]

SHOW ISEQ 7 3
[7 6 5 4 3]