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A162992
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The second right hand column of triangle A162990.
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2
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36, 144, 1600, 32400, 1016064, 45158400, 2687385600, 205752960000, 19670999040000, 2294425328025600, 320461058211840000, 52778155948277760000, 10118415696592896000000, 2233485391313240064000000
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internal format)
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OFFSET
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2,1
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LINKS
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FORMULA
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a(n) = ((n+1)!/(n-1))^2 for n = 2, 3, ... .
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MATHEMATICA
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Array[((#+1)!/(#-1))^2 &, 20, 2] (* Paolo Xausa, Apr 01 2024 *)
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CROSSREFS
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A052747(n+1) equals the square root of a(n).
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KEYWORD
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easy,nonn
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AUTHOR
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STATUS
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approved
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