**a(n) = (2*n+1)^(n-1). E.g.f.: exp(-1/2*W(-2*x)), where W is Lambert's W function.**

*1, 1, 5, 49, 729, 14641, 371293, 11390625, 410338673, 16983563041*

*3 seqfan posts*

Index of A-numbers in seqfan: by ascending order by month by frequency by keyword

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