**a(n) = a(n-1) + a(n-2)*a(n-3) + a(n-4)*a(n-5)^a(n-6)**

*0, 0, 1, 1, 1, 1, 3, 5, 9, 25, 73, 313, 3263, 1502337, 278472902914281*

*1 seqfan posts*

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

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