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Search: id:A003268
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| A003268 |
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Central Fibonomial coefficients.
(Formerly M1607)
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+0
3
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| 1, 2, 6, 15, 60, 260, 1820, 12376, 136136, 1514513, 27261234, 488605194, 14169550626, 411591708660, 19344810307020, 908637119420910
(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).
A. Brousseau, A sequence of power formulas, Fib. Quart., 6 (1968), 81-83.
A. Brousseau, Fibonacci and Related Number Theoretic Tables. Fibonacci Association, San Jose, CA, 1972, p. 74.
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FORMULA
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Prod{k=[n/2]+1..n, Fib(k)} / Prod{k=1..ceil(n/2), Fib(k)}.
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CROSSREFS
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Central column of A010048, |A055870|.
Sequence in context: A127383 A047870 A027287 this_sequence A009455 A007709 A078328
Adjacent sequences: A003265 A003266 A003267 this_sequence A003269 A003270 A003271
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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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