|
| |
|
|
A131598
|
|
Period 3: repeat 2, 5, 8.
|
|
2
| |
|
|
2, 5, 8, 2, 5, 8, 2, 5, 8, 2, 5, 8, 2, 5, 8, 2, 5, 8, 2, 5, 8, 2, 5, 8, 2, 5, 8, 2, 5, 8, 2, 5, 8, 2, 5, 8, 2, 5, 8, 2, 5, 8, 2, 5, 8, 2, 5, 8, 2, 5, 8, 2, 5, 8, 2, 5, 8, 2, 5, 8, 2, 5, 8, 2, 5, 8, 2, 5, 8, 2, 5, 8, 2, 5, 8, 2, 5, 8, 2, 5, 8, 2, 5, 8, 2, 5, 8, 2, 5, 8, 2, 5, 8, 2, 5, 8, 2, 5, 8, 2, 5, 8, 2, 5, 8
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 0,1
|
|
|
COMMENTS
| Contribution from Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), May 16 2010: (Start)
Continued fraction expansion of (85+sqrt(9029))/82.
Decimal expansion of 86/333. (End)
|
|
|
LINKS
| Index entries for sequences related to linear recurrences with constant coefficients, signature (0,0,1).
|
|
|
FORMULA
| a(n)=(1/3)*{11*(n mod 3)+2*[(n+1) mod 3]+2*[(n+2) mod 3]}, with n>=0 - Paolo P. Lava (paoloplava(AT)gmail.com), Oct 24 2007
a(n) = 5-3*cos(2/3*Pi*n)-3^(1/2)*sin(2/3*Pi*n). - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Nov 15 2007
G.f.: (2+5*x+8*x^2)/(1-x^3) [From Jaume Oliver Lafont (joliverlafont(AT)gmail.com), Mar 24 2009]
|
|
|
PROG
| (PARI) a(n)=2+3*(n%3) [From Jaume Oliver Lafont (joliverlafont(AT)gmail.com), Mar 24 2009]
|
|
|
CROSSREFS
| Cf. A177972 (decimal expansion of (85+sqrt(9029))/82). [From Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), May 16 2010]
Sequence in context: A007571 A062621 A020772 * A198545 A200225 A056886
Adjacent sequences: A131595 A131596 A131597 * A131599 A131600 A131601
|
|
|
KEYWORD
| nonn,easy
|
|
|
AUTHOR
| Paul Curtz (bpcrtz(AT)free.fr), Oct 02 2007
|
| |
|
|
