Question 1047046

you have:
{{{1}}},{{{2/3}}},{{{3/5}}},{{{4/7}}},{{{5/9}}},
or
{{{1/1}}},{{{2/3}}},{{{3/5}}},{{{4/7}}},{{{5/9}}},

the pattern formed in the sequence:

The numerator sequence is {{{1}}},{{{2}}},{{{3}}},{{{4}}},{{{5}}}....
The denominator sequence is {{{1}}},{{{3}}},{{{5}}},{{{7}}},{{{9}}}

general formula:

{{{a[n] = n/(2n-1)}}} if {{{n}}}={{{1}}},{{{2}}},{{{3}}},{{{4}}},{{{5}}}....