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A144703
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Denominators of triangle S(n,k), n>=0, 0<=k<=ceiling((3n+1)/2): S(n,k) is the coefficient of x^k in polynomial s_n(x), used to define continuous and n times differentiable sigmoidal transfer functions.
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3
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2, 2, 2, 1, 2, 2, 1, 1, 1, 2, 2, 4, 1, 2, 2, 4, 2, 16, 1, 16, 1, 16, 2, 16, 2, 2, 1, 2, 1, 2, 1, 2, 2, 2, 16, 1, 4, 1, 8, 1, 4, 2, 16, 1, 2, 32, 1, 32, 1, 16, 1, 16, 2, 32, 1, 32, 2, 256, 1, 128, 1, 256, 1, 64, 1, 256, 1, 128, 2, 256, 2, 128, 1, 64, 1, 128, 1, 32, 1, 128, 2, 64, 2, 128, 2, 2
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OFFSET
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0,1
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LINKS
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MAPLE
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seq(seq(denom(coeff(s(n)(x), x, k)), k=0..ceil((3*n+1)/2)), n=0..10);
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CROSSREFS
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See A144702 for more information on S(n,k).
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KEYWORD
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AUTHOR
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STATUS
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approved
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