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A032148
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"CGJ" (necklace, element, labeled) transform of 2,1,1,1...
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1
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1, 2, 3, 7, 33, 61, 328, 3095, 7045, 30145, 212016, 3862255, 10092998, 52268061, 256785740, 2618368009, 80483017741, 246673367497, 1454085687760, 7890538177343, 54136806043810, 685204537622497, 35095310513256280
(list;
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refs;
listen;
history;
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internal format)
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OFFSET
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0,2
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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((1 + x*y)*prod(k=1, n, 1 + x^k*y/k! + O(x*x^n))))] \\ 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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STATUS
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approved
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