creates a range
(range min max inc)
Creates a lazy sequence that presents the numbers from min (inclusive) to max (exclusive), by increment. All parameters are optional. min defaults to 0, max defaults to *pos-inf*, and step defaults to 1. If only one argument is provided, it is treated as max.
(to-vector (take 5 (range 10 inf 5)))
Will return the vector [10 15 20 25 30].