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Search: id:A079278
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| A079278 |
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Define b by b(1) = 1 and for n>1, b(n) = b(n-1)+1/(1+1/b(n-1)); sequence gives denominator of b(n). |
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+0 7
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| 1, 2, 10, 310, 363010, 594665194510, 1871071000515058250871610, 21362861761506953021644584296874581450310229239910
(list; graph; listen)
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OFFSET
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1,2
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REFERENCES
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Suggested by Leroy Quet Feb 14 2003.
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LINKS
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Leroy Quet, Home Page (listed in lieu of email address)
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FORMULA
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Conjecture (Quet): a(m+1) = a(m)^2 + a(m)^3 /a(m-1)^2 - a(m)a(m-1)^2 for m >= 2.
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EXAMPLE
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The b sequence begins 1, 3/2, 21/10, 861/310, 1275141/363010, 2551762438701/594665194510, ...
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MAPLE
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b := proc(n) option remember; if n=1 then 1 else b(n-1)+1/(1+1/b(n-1)); fi; end;
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CROSSREFS
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Cf. A079269, A080581, A080582.
Sequence in context: A073834 A111837 A092123 this_sequence A015178 A013034 A059723
Adjacent sequences: A079275 A079276 A079277 this_sequence A079279 A079280 A079281
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KEYWORD
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nonn,frac
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), Feb 16 2003
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EXTENSIONS
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The next term is too large to include.
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