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    DECLARE @start_num INT, @end_num INT, @iterator INT, @pattern varchar(100) = '' SET @iterator = 1 SET @end_num = 20 -- Set to 20 for P(20)

    WHILE @iterator <= @end_num BEGIN SET @start_num = 1 set @pattern = '' WHILE @start_num <= @iterator BEGIN set @pattern = @pattern + ' *' SET @start_num = @start_num + 1 END PRINT(@pattern) SET @iterator = @iterator + 1 END;