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A032137
"CFJ" (necklace, size, labeled) transform of 1,3,5,7...
1
1, 1, 3, 14, 27, 194, 2180, 6292, 32235, 340706, 8923824, 27260408, 178494888, 1143651456, 18358542488, 920187284252, 3190427876155, 22452876941634, 154193186847608, 1427331360177616, 30063060295205628
OFFSET
0,3
PROG
(PARI) seq(n)=[subst(serlaplace(p/y), y, 1) | p <- Vec(y-1+serlaplace(prod(k=1, n, (1 + (2*k-1)*x^k*y/k! + O(x*x^n)))))] \\ Andrew Howroyd, Sep 12 2018
CROSSREFS
Sequence in context: A297433 A032300 A032212 * A032041 A031002 A085762
KEYWORD
nonn
EXTENSIONS
a(0)=1 prepended by Andrew Howroyd, Sep 12 2018
STATUS
approved