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A032232
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"DGK" (bracelet, element, unlabeled) transform of 2,1,1,1,...
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1
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1, 2, 2, 3, 4, 5, 7, 11, 13, 18, 26, 43, 52, 75, 99, 147, 237, 300, 418, 571, 776, 1077, 1735, 2147, 3025, 4022, 5494, 7155, 10004, 14911, 18919, 25767, 34233, 45672, 59814, 79167, 104272, 153313, 190847, 257607, 334813, 446054
(list;
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refs;
listen;
history;
text;
internal format)
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OFFSET
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0,2
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LINKS
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Andrew Howroyd, Table of n, a(n) for n = 0..1000
C. G. Bower, Transforms (2)
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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+(1 + x*y)*prod(k=1, n, 1 + x^k*y + O(x*x^n)))] \\ Andrew Howroyd, Sep 13 2018
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CROSSREFS
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Sequence in context: A316077 A186425 A034395 * A175306 A021993 A240011
Adjacent sequences: A032229 A032230 A032231 * A032233 A032234 A032235
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KEYWORD
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nonn
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AUTHOR
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Christian G. Bower
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EXTENSIONS
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a(0)=1 prepended by Andrew Howroyd, Sep 13 2018
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STATUS
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approved
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