Question 911236
{{{a[n]=9+2n}}}
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{{{a[1]=11}}}
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{{{a[m]=61}}}
{{{9+2m=61}}}
{{{2m=52}}}
{{{m=26}}}
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{{{S[m]=(m/2)(a[1]+a[m])}}}
{{{S(26)=(26/2)(11+61)}}}
{{{S(26)=13(72)}}}
{{{S(26)=highlight(936)}}}