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A076842
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Numerators of sequence of fractions defined by a(1) = a(2) = 1; for n > 2, a(n) = (a(n-1)+a(n-2)+1)/a(n-2).
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2
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1, 1, 3, 5, 3, 9, 29, 71, 751, 5095, 117707, 8786157, 1495204807, 869159527657, 10563805576326283, 3058448407404141530011, 21945047981309619478239602921, 78849616271246494204031567399858651677, 163732240861295155285004461265839986271194799721161
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OFFSET
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1,3
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LINKS
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EXAMPLE
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1, 1, 3, 5, 3, 9/5, 29/15, 71/27, 751/261, 5095/2059, 117707/53321, ...
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MAPLE
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a := 1; b := 1; f := proc(n) option remember; global a, b; if n=1 then RETURN(a); fi; if n=2 then RETURN(b); fi; RETURN((f(n-1)+f(n-2)+1)/f(n-2)); end;
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CROSSREFS
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KEYWORD
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nonn,frac
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AUTHOR
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STATUS
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approved
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