|  | Seq prints a sequence of numbers, one per line, from first (default
    1) to as near last as possible, in increments of incr (default
    1). The loop is: 
 The numbers are interpreted as floating point. 
    
    
    Normally integer values are printed as decimal integers. The options
    are|  |  |  | for(val = min; val <= max; val += incr) print val; 
 | 
 −fformat   Use the print(3)-style format print for printing each
    (floating point) number. The default is %g.
 −w       Equalize the widths of all numbers by padding with leading zeros
    as necessary. Not effective with option −f, nor with numbers in
    exponential notation.
 
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