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A032224
"DGJ" (bracelet, element, labeled) transform of 1,2,3,4...
1
1, 1, 2, 9, 22, 115, 576, 2569, 26860, 190761, 1525420, 19634131, 210376464, 2087806747, 24758846490, 428700704475, 4942787438656, 60082160134345, 1081105184764044, 18121411400219011, 271157721708302920
OFFSET
0,3
LINKS
C. G. Bower, Transforms (2)
PROG
(PARI) seq(n)=[subst(serlaplace(p/y + polcoeff(p, 1) + polcoeff(p, 2)), y, 1)/2 | p <- Vec(serlaplace(y-1+prod(k=1, n, (1 + x^k*y/k! + O(x*x^n))^k)))] \\ Andrew Howroyd, Sep 11 2018
CROSSREFS
Sequence in context: A330419 A025176 A032315 * A254710 A193758 A368626
KEYWORD
nonn
EXTENSIONS
a(0)=1 prepended by Andrew Howroyd, Sep 11 2018
STATUS
approved