References to A000258

E.g.f.: exp(exp(exp(x)-1)-1).
1, 1, 3, 12, 60, 358, 2471, 19302, 167894, 1606137, 16733779, 188378402

1 seqfan posts

Fri Oct 29 05:35:16 CEST 2010    [seqfan] Implementing first 500 sequences in Java
Index of A-numbers in seqfan: by ascending order    by month    by frequency    by keyword
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