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A194130
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a(n) = n!/gcd(n,3).
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1
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1, 2, 2, 24, 120, 240, 5040, 40320, 120960, 3628800, 39916800, 159667200, 6227020800, 87178291200, 435891456000, 20922789888000, 355687428096000, 2134124568576000, 121645100408832000, 2432902008176640000, 17030314057236480000, 1124000727777607680000
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OFFSET
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1,2
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LINKS
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MAPLE
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n!/igcd(n, 3) ;
end proc:
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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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EXTENSIONS
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Definition and offset corrected by R. J. Mathar, Aug 18 2011
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STATUS
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approved
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