|
| |
|
|
A005923
|
|
From solution to a difference equation.
(Formerly M2953)
|
|
1
| |
|
|
1, 3, 13, 81, 673, 6993, 87193, 1268361, 21086113, 394368993, 8195330473, 187336699641, 4671623344753, 126204511859793, 3671695236949753, 114451527759954921, 3805443567253430593, 134436722612325267393
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 0,2
|
|
|
REFERENCES
| P. R. J. Asveld, A family of Fibonacci-like sequences, Fib. Quart., 25 (1987), 81-83.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
|
|
|
FORMULA
| E.g.f.: exp(x)/(1-2*sinh(x)) - Sander Zwegers (s.zwegers(AT)hetnet.nl), Jun 28 2007
|
|
|
CROSSREFS
| Cf. A000556.
Sequence in context: A184972 A160882 A135921 * A089461 A000684 A057993
Adjacent sequences: A005920 A005921 A005922 * A005924 A005925 A005926
|
|
|
KEYWORD
| nonn,easy
|
|
|
AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
|
|
|
EXTENSIONS
| More terms from Vladeta Jovovic (vladeta(AT)eunet.rs), Nov 23 2001
|
| |
|
|
