Question 968572
{{{f(2)=f(1+1)=f(1)+f(1)=5+5=10}}}
{{{f(4)=f(2+2)=f(2)+f(2)=10+10=20}}}
{{{f(6)=f(4+2)=f(4)+f(2)=20+10=30}}}
{{{f(7)=f(6+1)=f(6)+f(1)=30+5=35}}}