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A350982
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a(0)=0, a(1)=49, thereafter a(n) = 14*a(n-1)-a(n-2)+42.
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1
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0, 49, 728, 10185, 141904, 1976513, 27529320, 383434009, 5340546848, 74384221905, 1036038559864, 14430155616233, 200986140067440, 2799375805327969, 38990275134524168, 543064476078010425, 7563912389957621824, 105351708983328695153, 1467360013376644110360, 20437688478289688849929
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OFFSET
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0,2
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COMMENTS
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Arises in studying the equation x^3 - 7*y^2 = 1.
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REFERENCES
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P.-F. Teilhet, Query 2228, L'Intermédiaire des Mathématiciens, 11 (1904), 44-45.
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LINKS
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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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