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A329802
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G.f. A(x) satisfies: A(x) = 1 / (1 - x * Product_{k>=1} A(x^k)).
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0
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1, 1, 2, 6, 19, 64, 219, 777, 2803, 10315, 38496, 145516, 555764, 2142060, 8320207, 32538518, 128012533, 506300507, 2011932479, 8028941336, 32163411045, 129291553211, 521372223648, 2108522273338, 8549844313915, 34753397386201, 141584261960345
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OFFSET
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0,3
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LINKS
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MATHEMATICA
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nmax = 26; A[_] = 0; Do[A[x_] = 1/(1 - x Product[A[x^k], {k, 1, nmax}]) + O[x]^(nmax + 1) // Normal, nmax + 1]; CoefficientList[A[x], x]
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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