**E.g.f. is A(x) = (1-ln(B(x)))/B(x), where B(x) = sqrt(1-2*x).**

*1, 2, 7, 38, 281, 2634, 29919, 399342, 6125265, 106156530, 2051433495*

*1 seqfan posts*

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

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