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A359622
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Number of edge cuts in the n-Moebius ladder.
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2
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1, 26, 307, 3004, 27049, 232658, 1947103, 16021784, 130447957, 1055068574, 8498016971, 68269451044, 547562782017, 4387403277994, 35132904838583, 281226897433648, 2250607478637613, 18008682685966262, 144087851840540835, 1152791046751807804, 9222750661998396185, 73784021962658308290
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OFFSET
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1,2
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LINKS
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Eric Weisstein's World of Mathematics, Edge Cut
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FORMULA
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G.f.: x*(1 + 6*x - 67*x^2 + 172*x^3 - 120*x^4 + 36*x^5)/((1 - x)^2*(1 - 8*x)*(1 - 5*x + 2*x^2)^2). - Andrew Howroyd, Jan 26 2023
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PROG
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(PARI) Vec((1 + 6*x - 67*x^2 + 172*x^3 - 120*x^4 + 36*x^5)/((1 - x)^2*(1 - 8*x)*(1 - 5*x + 2*x^2)^2) + O(x^20)) \\ Andrew Howroyd, Jan 26 2023
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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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a(1)-a(2) prepended and terms a(8) and beyond from Andrew Howroyd, Jan 26 2023
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STATUS
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approved
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