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A152917
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A000169 prefixed by an initial 0.
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4
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0, 1, 2, 9, 64, 625, 7776, 117649, 2097152, 43046721, 1000000000, 25937424601, 743008370688, 23298085122481, 793714773254144, 29192926025390625, 1152921504606846976, 48661191875666868481, 2185911559738696531968, 104127350297911241532841
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OFFSET
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0,3
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COMMENTS
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LINKS
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FORMULA
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a(n) = 0 if n = 0, otherwise a(n) = n^(n-1).
E.g.f.: A(x)=x*G(0) ; G(k)= 1 + x*(2*k+2)^(2*k)/((2*k+1)^(2*k) - x*(2*k+1)^(2*k)*(2*k+3)^(2*k+1)/(x*(2*k+3)^(2*k+1) + (2*k+2)^(2*k+1)/G(k+1))); (continued fraction). - Sergei N. Gladkovskii, Dec 30 2011
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EXAMPLE
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a(10) = 10^9 = 1000000000.
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MATHEMATICA
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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ShaoJun Ying (dolphinysj(AT)gmail.com), Dec 15 2008
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STATUS
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approved
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