login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A105899 Period 6: repeat 1,1,2,2,3,3. 3
1, 1, 2, 2, 3, 3, 1, 1, 2, 2, 3, 3, 1, 1, 2, 2, 3, 3, 1, 1, 2, 2, 3, 3, 1, 1, 2, 2, 3, 3, 1, 1, 2, 2, 3, 3, 1, 1, 2, 2, 3, 3, 1, 1, 2, 2, 3, 3, 1, 1, 2, 2, 3, 3, 1, 1, 2, 2, 3, 3, 1, 1, 2, 2, 3, 3, 1, 1, 2, 2, 3, 3, 1, 1, 2, 2, 3, 3, 1, 1, 2, 2, 3, 3, 1, 1, 2, 2, 3, 3, 1, 1, 2, 2, 3, 3, 1, 1, 2, 2, 3, 3, 1, 1, 2 (list; graph; refs; listen; history; internal format)
OFFSET

0,3

COMMENTS

Terms of the simple continued fraction of 82/[sqrt(25277)-111]. Decimal expansion of 3401/30303. [From Paolo P. Lava (paoloplava(AT)gmail.com), Aug 05 2009]

LINKS

Index entries for sequences related to linear recurrences with constant coefficients, signature (1,-1,1,-1,1).

FORMULA

G.f.: -(3*x^4+2*x^2+1)/(x-1)/(x^2+x+1)/(x^2-x+1). a(n)=A131555(n)+1. - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Nov 14 2007

a(n)=(1/30)*{14*(n mod 6)+4*[(n+1) mod 6]-[(n+2) mod 6]+4*[(n+3) mod 6]-[(n+4) mod 6]+4*[(n+5) mod 6]}, with n>=0 - Paolo P. Lava (paoloplava(AT)gmail.com), Dec 19 2007

PROG

(PARI) a(n)=1+n%6\2 [From Jaume Oliver Lafont (joliverlafont(AT)gmail.com), Aug 30 2009]

CROSSREFS

Cf. A131555.

Cf. A178308 Decimal expansion of (111+sqrt(25277))/158. [From Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), May 24 2010]

Sequence in context: A079729 A071859 A135695 * A071434 A128924 A116464

Adjacent sequences:  A105896 A105897 A105898 * A105900 A105901 A105902

KEYWORD

nonn,easy,less

AUTHOR

Paul Curtz (bpcrtz(AT)free.fr), Aug 27 2007

EXTENSIONS

Edited by N. J. A. Sloane (njas(AT)research.att.com), Sep 15 2007

More terms from Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), May 24 2010

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 16 18:54 EST 2012. Contains 205939 sequences.