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A010914
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Pisot sequence E(5,17), a(n)=[ a(n-1)^2/a(n-2)+1/2 ].
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0
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5, 17, 58, 198, 676, 2308, 7880, 26904, 91856, 313616, 1070752, 3655776, 12481600, 42614848, 145496192, 496755072, 1696027904, 5790601472, 19770350080, 67500197376, 230460089344, 786839962624, 2686439671808
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OFFSET
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0,1
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REFERENCES
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D. W. Boyd, Some integer sequences related to the Pisot sequences, Acta Arithmetica, 34 (1979), 295-305.
D. W. Boyd, Linear recurrence relations for some generalized Pisot sequences, Advances in Number Theory ( Kingston ON, 1991) 333-340, Oxford Sci. Publ., Oxford Univ. Press, New York, 1993.
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LINKS
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Table of n, a(n) for n=0..22.
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FORMULA
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For positive n, a(n) equals [1,1;1,3]^n.{1,2}.{1.2}, [From John M. Campbell, Jul 09 2011]
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CROSSREFS
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Sequence in context: A054113 A146697 A009229 * A180502 A171838 A105392
Adjacent sequences: A010911 A010912 A010913 * A010915 A010916 A010917
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KEYWORD
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nonn
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AUTHOR
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Simon Plouffe
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STATUS
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approved
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