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A055860
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a(n) = A000169(n+1) if n > 0; a(0) = 0.
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7
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0, 2, 9, 64, 625, 7776, 117649, 2097152, 43046721, 1000000000, 25937424601, 743008370688, 23298085122481, 793714773254144, 29192926025390625, 1152921504606846976, 48661191875666868481, 2185911559738696531968
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OFFSET
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0,2
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LINKS
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FORMULA
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a(0) = 0; for n >= 1, a(n) = (n+1)^n.
E.g.f.: -W(-x)/((1+W(-x))*x) - 1 = -(d/dx)W(x) - 1, W(x) principal branch of Lambert's function.
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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