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A131186
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Period 12: repeat 0, 1, 2, 0, 2, 4, 0, 4, 3, 0, 3, 1.
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0
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0, 1, 2, 0, 2, 4, 0, 4, 3, 0, 3, 1, 0, 1, 2, 0, 2, 4, 0, 4, 3, 0, 3, 1, 0, 1, 2, 0, 2, 4, 0, 4, 3, 0, 3, 1, 0, 1, 2, 0, 2, 4, 0, 4, 3, 0, 3, 1, 0, 1, 2, 0, 2, 4, 0, 4, 3, 0, 3, 1, 0, 1, 2, 0, 2, 4, 0, 4, 3, 0, 3, 1, 0, 1, 2, 0, 2, 4, 0, 4, 3, 0, 3, 1, 0, 1, 2, 0, 2, 4, 0, 4, 3, 0, 3, 1, 0, 1, 2, 0, 2, 4, 0, 4, 3
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OFFSET
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0,3
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LINKS
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FORMULA
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O.g.f.: -(x^5+3x^4-x^3-x^2+2x+1)*x/((x-1)(x^2+x+1)(x^4-x^2+1)) . - R. J. Mathar, Jan 15 2008
a(n) = a(n-2) + a(n-3) - a(n-4) - a(n-5) + a(n-7) for n > 6. - Chai Wah Wu, Feb 16 2021
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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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EXTENSIONS
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STATUS
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approved
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