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A190913
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Sequence A190914 evaluated at the negative index -n.
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2
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5, 0, 2, 9, 2, 10, 29, 14, 50, 99, 82, 220, 365, 416, 926, 1429, 1954, 3842, 5825, 8778, 15922, 24299, 38414, 66240, 102533, 165560, 276954, 434745, 707394, 1163074, 1846069, 3008302, 4900546, 7839115, 12762378, 20694684, 33271421, 54081272, 87516358, 141133157, 229065490, 370410810, 598383689, 970090922, 1568482962
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refs;
listen;
history;
text;
internal format)
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OFFSET
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0,1
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LINKS
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FORMULA
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G.f.: ( 5-3*x^2-6*x^3 ) / ( (x^2+x-1)*(x^3-x^2-x-1) ). (End)
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MATHEMATICA
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LinearRecurrence[{0, 1, 3, 0, -1}, {5, 0, 2, 9, 2}, 50] (* Vincenzo Librandi, Feb 15 2012 *)
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PROG
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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