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A032149
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"CGJ" (necklace, element, labeled) transform of 1,2,3,4...
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1
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1, 1, 2, 9, 22, 145, 936, 4459, 52060, 376905, 3039940, 39240091, 420688104, 4175453737, 49517332242, 857400548775, 9885572962696, 120164315812225, 2162210359719852, 36242822778024691, 542315443367722240, 7358279105365617681, 162325807196140641922
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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), y, 1) | p <- Vec(y-1+serlaplace(prod(k=1, n, (1 + x^k*y/k! + O(x*x^n))^k)))] \\ Andrew Howroyd, Sep 11 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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a(0)=1 prepended and terms a(20) and beyond from Andrew Howroyd, Sep 11 2018
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STATUS
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approved
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