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A032050
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"BGJ" (reversible, element, labeled) transform of 1,0,1,0... (odds).
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1
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1, 1, 0, 1, 4, 1, 6, 1, 64, 1513, 130, 3961, 1024, 39469, 2380, 1187551, 69205504, 4918849, 294094986, 48302713, 3676570624, 876055573, 75640370740, 4647158143, 6095587842304, 706802444444401, 37977841981716
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OFFSET
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0,5
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LINKS
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PROG
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(PARI) seq(n)=[subst(serlaplace(y^0*p + polcoeff(p, 1)), y, 1)/2 | p <- Vec(y-1+serlaplace(prod(k=1, ceil(n/2), 1 + x^(2*k-1)*y/(2*k-1)! + O(x*x^n))))] \\ Andrew Howroyd, Sep 12 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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