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A032210
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"DFJ" (bracelet, size, labeled) transform of 2,1,1,1...
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1
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1, 2, 1, 7, 9, 21, 148, 281, 997, 3037, 83436, 187155, 906986, 4040713, 19429075, 967161214, 2687357885, 15062567325, 76117375036, 495916450391, 2830109972230, 258366446110567, 832033559653913, 5503200805013334
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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..200
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+serlaplace((1 + 2*x*y)*prod(k=2, n, 1 + x^k*y/k! + O(x*x^n))))] \\ Andrew Howroyd, Sep 11 2018
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CROSSREFS
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Sequence in context: A102817 A026252 A032298 * A032135 A032039 A203991
Adjacent sequences: A032207 A032208 A032209 * A032211 A032212 A032213
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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 11 2018
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STATUS
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approved
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