How to generate a range of numbers between two numbers?

Question

I have two numbers as input from the user, like for example 1000 and 1050.

How do I generate the numbers between these two numbers, using

Answer 1

declare @start int = 1000
declare @end    int =1050

;with numcte  
AS  
(  
  SELECT @start [SEQUENCE]  
  UNION all  
  SELECT [SEQUENCE] + 1 FROM numcte WHERE [SEQUENCE] < @end 
)      
SELECT * FROM numcte