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A029701
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Number of lines on the intersection of two general hypersurfaces of degree n in complex projective (n+2)-space.
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0
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1, 16, 1053, 111616, 19188125, 4782986496, 1636365422153, 735546407124992, 420472391422517289, 297915693945728000000, 256254423319439013201029, 263056604016582698937090048, 317691429498449659489885141925
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OFFSET
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1,2
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LINKS
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FORMULA
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Coefficient of x^(n+2)*y^(n+1) in the polynomial (x-y)*product((k*x+(n-k)*y)^2, k=0..n)
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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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Paolo Dominici (pl.dm(AT)libero.it)
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STATUS
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approved
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