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A040173
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Numerator of probability that 2 elements of S_n chosen at random (with replacement) generate S_n.
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3
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1, 3, 1, 3, 19, 53, 103, 4111, 78293, 29401, 4462987, 9830941, 284397779
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OFFSET
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1,2
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LINKS
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EXAMPLE
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Values for n=1,2,3,... are 1, 3/4, 1/2, 3/8, 19/40, 53/120, 103/168, 4111/6720, 78293/120960, ...
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CROSSREFS
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KEYWORD
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nonn,nice,frac,more
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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