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A088351
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G.f. A(x) satisfies: 1+x = A(xA(2xA(3xA(4xA(...(n*xA(...))))))).
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0
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1, 1, -2, 10, -80, 1000, -21872, 977584, -96293648, 20624493808, -9328274380160, 8744603171127040, -16802076392609925440, 65695424926762378460992, -520141011157056880989068672
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OFFSET
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0,3
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LINKS
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EXAMPLE
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A(xA(2xA(3xA(4x)))) = 1 + x - 120x^5 + 5280x^6 - 192000x^7 +-...
A(xA(2xA(3xA(4xA(5x))))) = 1 + x - 720x^6 + 46800x^7 - 2332800x^8 +-...
A(xA(2xA(...(n-2)xA((n-1)x)))) = 1 + x - n!x^n + (n-1)(2n+1)n!x^(n+1) -+...
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CROSSREFS
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KEYWORD
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sign
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AUTHOR
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STATUS
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approved
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