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Search: id:A005923
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| A005923 |
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From solution to a difference equation.
(Formerly M2953)
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+0
3
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| 1, 3, 13, 81, 673, 6993, 87193, 1268361, 21086113, 394368993, 8195330473, 187336699641, 4671623344753, 126204511859793, 3671695236949753, 114451527759954921, 3805443567253430593, 134436722612325267393
(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, A family of Fibonacci-like sequences, Fib. Quart., 25 (1987), 81-83.
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FORMULA
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E.g.f.: exp(x)/(1-2*sinh(x)) - Sander Zwegers (s.zwegers(AT)hetnet.nl), Jun 28 2007
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CROSSREFS
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Cf. A000556.
Sequence in context: A074514 A020014 A135921 this_sequence A089461 A000684 A057993
Adjacent sequences: A005920 A005921 A005922 this_sequence A005924 A005925 A005926
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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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More terms from Vladeta Jovovic (vladeta(AT)eunet.rs), Nov 23 2001
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