Math-algebra-Steve

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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[i-1]/(a[i]^2-a[i-1]^2)
What is the value of 1/S?

• Math-algebra-Steve -

148

• Math-algebra-Steve -

148 is incorrect

• Math-algebra-Steve -

424

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