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A005922
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a(1)=1; a(n) = n!*Fibonacci(n+2), n > 1.
(Formerly M4207)
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4
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1, 6, 30, 192, 1560, 15120, 171360, 2217600, 32296320, 522547200, 9300614400, 180583603200, 3798482688000, 86044973414400, 2088355965696000, 54064489070592000, 1487129136869376000, 43312058119249920000
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OFFSET
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1,2
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COMMENTS
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From solution to a difference equation.
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REFERENCES
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N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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LINKS
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MATHEMATICA
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Join[{1}, Table[n!Fibonacci[n+2], {n, 2, 20}]] (* Harvey P. Dale, May 26 2024 *)
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PROG
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(Magma) [1] cat [Factorial(n)*Fibonacci(n+2): n in [2..20]]; // Vincenzo Librandi, Jul 10 2012
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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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EXTENSIONS
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STATUS
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approved
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