**E.g.f.: sum(n>=0, a(n)*x^n/n!) = {sum(n>=0, F(n+1)*x^n/n!)}^2, where F(n) is the n-th Fibonacci number.**

*1, 2, 6, 18, 58, 186, 602, 1946, 6298, 20378, 65946, 213402, 690586, 2234778*

*3 seqfan posts*

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

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