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A022311
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a(n) = a(n-1) + a(n-2) + 1 for n>1, a(0)=0, a(1)=1.
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1
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0, 6, 7, 14, 22, 37, 60, 98, 159, 258, 418, 677, 1096, 1774, 2871, 4646, 7518, 12165, 19684, 31850, 51535, 83386, 134922, 218309, 353232, 571542, 924775, 1496318, 2421094, 3917413, 6338508, 10255922, 16594431, 26850354, 43444786, 70295141, 113739928
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OFFSET
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0,2
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LINKS
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FORMULA
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MATHEMATICA
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PROG
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(PARI) x='x+O('x^50); concat([0], Vec((6*x-5*x^2)/(1-2*x+x^3))) \\ G. C. Greubel, Aug 25 2017
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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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