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A032234
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"DGK" (bracelet, element, unlabeled) transform of 1,3,5,7,...
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1
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1, 1, 3, 8, 15, 34, 67, 135, 285, 598, 1314, 2946, 6702, 15403, 35569, 82884, 190820, 444384, 1026605, 2364499, 5454576, 12522380, 28698420, 65469202, 149407615, 339508581, 769387875, 1739536216, 3922183539, 8828954730
(list;
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refs;
listen;
history;
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internal format)
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OFFSET
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0,3
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LINKS
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PROG
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(PARI) seq(n)=[subst(serlaplace(p/y + polcoeff(p, 1) + polcoeff(p, 2)), y, 1)/2 | p <- Vec(y-1+prod(k=1, n, (1 + x^k*y + O(x*x^n))^(2*k-1)))] \\ Andrew Howroyd, Sep 13 2018
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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