Question 1070709
{{{d[1]=6-2=4}}}
{{{d[2]=11-6=5}}}
{{{d[3]=17-11=6}}}
So then,
{{{d[4]=7}}}
{{{a[5]=a[4]+d[4]=17+7=24}}}
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{{{d[5]=8}}}
{{{a[6]=a[5]+d[5]=24+8=32}}}
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{{{d[6]=9}}}
{{{a[7]=a[6]+d[6]=32+9=41}}}