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A328554
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Coefficients in Göttsche's universal power series B_1(q) arising from enumeration of d-nodal curves in a linear system of dimension d on an algebraic surface.
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1
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1, -1, -5, 39, -345, 2961, -24866, 207759, -1737670, 14584625, -122937305, 1040906771, -8852158628, 75598131215, -648168748072, 5577807139921, -48163964723088, 417210529188188, -3624610235789053, 31575290280786530, -275758194822813754
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OFFSET
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0,3
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COMMENTS
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The power series appears to be well defined, only the interpretation is conjectural.
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LINKS
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FORMULA
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B_1(q) = 1 - q - 5*q^2 + 39*q^3 - 345*q^4 + 2961*q^5 - 24866*q^6 + 207759*q^7 - 1737670*q^8 + 14584625*q^9 - 122937305*q^10 + 1040906771*q^11 - 8852158628*q^12 + 75598131215*q^13 - 648168748072*q^14 + 5577807139921*q^15 - 48163964723088*q^16 + 417210529188188*q^17 - 3624610235789053*q^18 + 31575290280786530*q^19 - 275758194822813754*q^20 + ...
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CROSSREFS
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KEYWORD
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sign
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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