**a(n) = a(n-1) + a(n-2)*a(n-3) + a(n-4)^a(n-5)**

*0, 0, 0, 0, 1, 2, 3, 6, 13, 33, 120, 765, 4831534, 55040353993453427047*

*1 seqfan posts*

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

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