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A086627
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Main diagonal of square table A086626 of coefficients of x^n*y^k in f(x,y) that satisfies f(x,y) = (1-xy)/[(1-x)(1-y)] + xy*f(x,y)^3.
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2
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1, 1, 9, 84, 907, 10821, 137832, 1840560, 25467579, 362282805, 5269082817, 78037617936, 1173393814590, 17870848219324, 275178599887938
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