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Search: id:A014005
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| A014005 |
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Pisot sequence E(9,19), a(n)=[ a(n-1)^2/a(n-2)+1/2 ]. |
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+0
1
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| 9, 19, 40, 84, 176, 369, 774, 1624, 3407, 7148, 14997, 31465, 66016, 138507, 290599, 609700, 1279199, 2683861, 5630953, 11814185, 24787095, 52005287, 109111208, 228923950, 480300565, 1007708598
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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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FORMULA
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Known not to satisfy any linear recurrence.
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CROSSREFS
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Sequence in context: A145958 A039299 A159697 this_sequence A058510 A043122 A043902
Adjacent sequences: A014002 A014003 A014004 this_sequence A014006 A014007 A014008
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KEYWORD
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nonn
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AUTHOR
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Simon Plouffe (simon.plouffe(AT)gmail.com)
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