Posted by Nick on Monday, June 24, 2013 at 2:00pm.
The sequence {an} satisfies a0=1,a1=213, and an=2an−1+an−2 for all n≥2. Let
S=∑i=1 to infinity a[i1]/(a[i]^2a[i1]^2)
What is the value of 1/S?

MathalgebraSteve  Danny, Monday, June 24, 2013 at 11:34pm
148

MathalgebraSteve  raja harishchandra, Tuesday, June 25, 2013 at 5:36am
148 is incorrect

MathalgebraSteve  me, Tuesday, June 25, 2013 at 11:35am
424
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