PHP Daily 3-21 design a 99 multiplication table

Unlike the table just now, there are more restrictions on the number of columns per row
That is, the first row, one column, the second row, two columns, etc.
So

<tableBorder="1"align= "Center"width="800" ><caption><H1>99 Multiplication Table 
     H1
 > 
     Caption
 >!--? PHP   for  ( $i  =  1 ;  $i  <  ten ;  $i  + +) { if  ( $i %  2  = =  0 ) { $BGC  =  "#ccc" ;                 else  { $BGC  =  "Red" ; } ?  <trbgcolor=" 
       $bgc" ?>">   
        for ($a = 1; $a < $i+1; $a+ +) { ?><TD> 
           echo"$a * $i = "; Echo $i*$a?>  
           td >   
           }?>    
           tr >   
           }?>  
           table >  

'). addclass (' pre-numbering '). Hide (); $ (this). addclass (' has-numbering '). Parent (). append ($numbering); for (i = 1; i <= lines; i++) {$numbering. Append ($ ('

'). Text (i)); }; $numbering. FadeIn (1700); }); });

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