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A234274
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G.f.: (1+x)*(1+x+x^2+x^3+x^4)/(1-6*x-6*x^2-6*x^3+x^4).
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0
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1, 8, 56, 392, 2737, 19103, 133336, 930664, 6495881, 45340183, 316467032, 2208887912, 15417674881, 107612838767, 751119942328, 5242693847944, 36593142099353, 255414122498983, 1782748630735352, 12443292678154184, 86852139446231761, 606213670408228799, 4231271866564953112
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OFFSET
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0,2
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LINKS
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MATHEMATICA
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Join[{1, 8}, LinearRecurrence[{6, 6, 6, -1}, {56, 392, 2737, 19103}, 21]] (* Jean-François Alcover, Feb 12 2019 *)
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CROSSREFS
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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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