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Search: id:A005922
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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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+0
2
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| 1, 6, 30, 192, 1560, 15120, 171360, 2217600, 32296320, 522547200, 9300614400, 180583603200, 3798482688000, 86044973414400, 2088355965696000, 54064489070592000, 1487129136869376000, 43312058119249920000
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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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).
P. R. J. Asveld, Another family of Fibonacci-like sequences, Fib. Quart., 25 (1987), 361-364.
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CROSSREFS
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Cf. A005921.
Cf. A078700.
Sequence in context: A029571 A109501 A147517 this_sequence A057896 A147779 A054721
Adjacent sequences: A005919 A005920 A005921 this_sequence A005923 A005924 A005925
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KEYWORD
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nonn
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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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More terms and better description from Vladeta Jovovic (vladeta(AT)eunet.rs), Jan 23 2005
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