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A077635
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LCM of terms in periodic part of continued fraction expansion of square root of -1+3^n.
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12
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2, 4, 10, 16, 210, 52, 10764, 160, 840, 484, 78225840, 1456, 5729631692400, 4372, 932723933480442148565520, 13120, 202096081896183783466278120, 39364, 1505075187143521116689096930825555405884185492185368021027531191578186233461600
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OFFSET
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1,1
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LINKS
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MATHEMATICA
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Table[Apply[LCM, Last[ContinuedFraction[Sqrt[ -1+3^u]]]], {u, 1, 25}]
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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