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A103366
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Second column of triangle A103364, which equals the matrix inverse of the Narayana triangle (A001263).
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4
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1, -3, 12, -70, 585, -6741, 103068, -2023092, 49615695, -1487006785, 53477384268, -2272859942574, 112699083156751, -6447858833644515, 421601806346674320, -31242589674606301224, 2604618355967848204587, -242686626407684239621113, 25124942798118355122058980
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OFFSET
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2,2
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LINKS
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PROG
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(PARI) a(n)=if(n<2, 0, (matrix(n, n, m, j, binomial(m-1, j-1)*binomial(m, j-1)/j)^-1)[n, 2])
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CROSSREFS
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KEYWORD
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sign
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AUTHOR
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STATUS
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approved
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