Question 336590
{{{1X1}}}
{{{2X2}}}
{{{3X3}}}

.
.
.
{{{8X8}}}
{{{9X9}}}
where X can vary from 0 to 9 (10 total).
From {{{1X1}}} to {{{9X9}}}, there are 9 total. 
{{{N=9*10=90}}}