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A251656
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4-step Fibonacci sequence starting with 1,0,1,0.
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6
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1, 0, 1, 0, 2, 3, 6, 11, 22, 42, 81, 156, 301, 580, 1118, 2155, 4154, 8007, 15434, 29750, 57345, 110536, 213065, 410696, 791642, 1525939, 2941342, 5669619, 10928542, 21065442, 40604945, 78268548, 150867477, 290806412, 560547382, 1080489819
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OFFSET
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0,5
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LINKS
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FORMULA
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a(n+4) = a(n)+a(n+1)+a(n+2)+a(n+3).
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MATHEMATICA
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PROG
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(J) NB. see A251655 for the program and apply it to 1, 0, 1, 0.
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CROSSREFS
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Other 4-step Fibonacci sequences are A000078, A000288, A001630, A001631, A001648, A073817, A100532, A251654, A251655, A251703, A251704, A251705.
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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