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Search: id:A018904
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| A018904 |
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Define the sequence S(a_0,a_1) by a_{n+2} is the least integer such that a_{n+2}/a_{n+1}>a_{n+1}/a_n for n >= 0 . This is S(1,6). |
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1
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| 1, 6, 37, 229, 1418, 8781, 54377, 336734, 2085253, 12913101, 79965442, 495192589, 3066520913, 18989683446, 117595179557, 728217839669, 4509548979898, 27925753660941, 172932530727097, 1070898946784974
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OFFSET
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0,2
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REFERENCES
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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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a(n) = (a_1+1)a(n-1) - (a_1-1)a(n-2).
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CROSSREFS
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Sequence in context: A033124 A022035 A005668 this_sequence A076026 A161734 A081570
Adjacent sequences: A018901 A018902 A018903 this_sequence A018905 A018906 A018907
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KEYWORD
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nonn
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AUTHOR
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R. K. Guy (rkg(AT)cpsc.ucalgary.ca)
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