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A113785
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a(n) = a(n-1)^2 + 2*a(n-2).
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2
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2, 3, 13, 175, 30651, 939484151, 882630469980252103, 779036546537560708779146801314890911, 606897940841168991954208317469740424253072728119076070803668647790914127
(list; graph; refs; listen; history; internal format)
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