this is the query which i have written.i m not getting the output

declare @a int

declare @b-2 int

set @a=1

while(@a<11)

begin

set @b-2=1

while(@b<11)

...

thx but the query did not work. it is showing the error Invalid object name 'numbers'.what if i have 500 rows how to insert the values

My output should look like the below

serial qh11 qh21

4 ...