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Search: id:A005921
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| A005921 |
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From solution to a difference equation.
(Formerly M2871)
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+0
2
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| 1, 3, 10, 48, 312, 2520, 24480, 277200, 3588480, 52254720, 845510400, 15048633600, 292190976000, 6146069529600, 139223731046400, 3379030566912000, 87478184521728000, 2406225451069440000, 70080382582898688000
(list; graph; listen)
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OFFSET
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0,2
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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).
P. R. J. Asveld, Another family of Fibonacci-like sequences, Fib. Quart., 25 (1987), 361-364.
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FORMULA
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For n >= 1, a(n) = Fib(n+3)*n!.
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CROSSREFS
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Sequence in context: A005651 A105748 A140964 this_sequence A143921 A082426 A054381
Adjacent sequences: A005918 A005919 A005920 this_sequence A005922 A005923 A005924
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KEYWORD
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nonn,easy
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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EXTENSIONS
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Formula and more terms from David W. Wilson (davidwwilson(AT)comcast.net) May 15 1997
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