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A110120
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Numerators in expansion of 1/sqrt(1-x-x^2*c(x^2)), c(x) the g.f. of A000108.
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0
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1, 1, 7, 17, 267, 775, 6243, 19633, 638323, 2102347, 17152089, 58229847, 951653279, 3301081251, 26990925403, 95148784113, 6224368757699, 22220020945651, 181665332610589, 655103413921211, 10708565920929733, 38938378760273881
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OFFSET
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0,3
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COMMENTS
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Numerators in expansion of sqrt(g(x)), where g(x) is the g.f. of A001405. Denominators are A046161.
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LINKS
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CROSSREFS
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KEYWORD
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easy,nonn,frac
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AUTHOR
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STATUS
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approved
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