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A021680
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Decimal expansion of 1/676.
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0
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0, 0, 1, 4, 7, 9, 2, 8, 9, 9, 4, 0, 8, 2, 8, 4, 0, 2, 3, 6, 6, 8, 6, 3, 9, 0, 5, 3, 2, 5, 4, 4, 3, 7, 8, 6, 9, 8, 2, 2, 4, 8, 5, 2, 0, 7, 1, 0, 0, 5, 9, 1, 7, 1, 5, 9, 7, 6, 3, 3, 1, 3, 6, 0, 9, 4, 6, 7, 4, 5, 5, 6, 2, 1, 3, 0, 1, 7, 7, 5, 1, 4, 7, 9, 2, 8, 9, 9, 4, 0, 8, 2, 8, 4, 0, 2, 3, 6, 6
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OFFSET
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0,4
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LINKS
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Index entries for linear recurrences with constant coefficients, signature (1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-1,1).
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FORMULA
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a(n) = a(n-1) - a(n-39) + a(n-40) for n > 41.
G.f.: x^2*(-5*x^39 - 2*x^38 + 6*x^36 + x^35 - 3*x^34 + 2*x^33 - x^32 - 4*x^31 + x^30 + x^28 - 3*x^27 + x^26 + 2*x^25 - 5*x^24 + 9*x^23 - 6*x^22 + 3*x^21 + 2*x^20 - 2*x^19 - 3*x^17 - x^16 - 2*x^15 + 4*x^14 + 4*x^13 - 6*x^12 + 6*x^11 - 8*x^10 + 4*x^9 + 5*x^8 - x^6 - 6*x^5 + 7*x^4 - 2*x^3 - 3*x^2 - 3*x - 1)/(x^40 - x^39 + x - 1). (End)
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MATHEMATICA
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Join[{0, 0}, First[RealDigits[1/676, 10, 100]]] (* Paolo Xausa, Jan 17 2024 *)
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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