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A173131
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a(n) = (Cosh[(2n-1)ArcSinh[n]])^2.
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9
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OFFSET
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0,2
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LINKS
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FORMULA
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MATHEMATICA
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Table[Round[Cosh[(2 n - 1) ArcSinh[n]]^2], {n, 0, 10}] (* Artur Jasinski *)
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CROSSREFS
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Cf. A058331, A001079, A037270, A071253, A108741, A132592, A146311, A146312, A146313, A173115, A173116, A173121, A173127, A173128, A173129, A173130.
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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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