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A032214
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"DFK" (bracelet, size, unlabeled) transform of 2,2,2,2...
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1
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1, 2, 2, 6, 6, 10, 18, 22, 30, 42, 98, 110, 174, 234, 346, 798, 958, 1458, 2058, 2990, 4022, 9234, 10746, 16774, 22950, 33682, 44562, 64182, 126230, 154778, 229986, 317766, 452206, 607290, 851314, 1120158, 2130750, 2567162
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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)={apply(p->subst(serlaplace(p/y + polcoeff(p, 1) + polcoeff(p, 2)), y, 1)/2, Vec(y-1+prod(k=1, n, 1 + 2*x^k*y + O(x*x^n))))} \\ Andrew Howroyd, Jun 21 2018
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CROSSREFS
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Sequence in context: A082542 A162776 A032302 * A290261 A007040 A351017
Adjacent sequences: A032211 A032212 A032213 * A032215 A032216 A032217
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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, Jun 21 2018
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STATUS
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approved
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