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A119601
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4*product( (3^i+1)^2, i=1..2n-1).
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0
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4, 64, 5017600, 2008645953126400, 5124408580006984170864640000, 85495432669493277396354169745064287272960000, 9355246290649672947599943358541996936410690283965618585600000000, 6716146186611919497047421474121060203152077041964192052138083160878210999543398400000000, 31633930525439354064905560668985964653660262913501499819669450560971550674840773249412865611450669691043840000000000
(list; graph; refs; listen; history; internal format)
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