Question 355160
{{{a[1]=1}}}
{{{a[2]=2}}}
{{{a[3]=4}}}
{{{a[4]=8}}}
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{{{a[n+1]=2*a[n]}}}
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{{{a[n+1]=2^(n)}}}
{{{a[100]=2^99=6.39x10^(29)}}}
That's a lot of pennies.