Question 642821
the formula for the general term of infinite sequence is

{{{an=4n+9}}} where {{{n}}} is element of the set {0.1,2,3,......}

for {{{n=0}}}

{{{an=4n+9}}}...=>...{{{an=4*0+9=9}}}

for {{{n=1}}}

{{{an=4n+9}}}...=>...{{{an=4*1+9=13}}}

for {{{n=2}}}

{{{an=4n+9}}}...=>...{{{an=4*2+9=17}}}

for {{{n=3}}}

{{{an=4n+9}}}...=>...{{{an=4*3+9=21}}}...and so on