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A010717 Period 2: repeat (5,6). 2
5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

COMMENTS

Continued fraction of 5/2 + sqrt(255)/6. - R. J. Mathar, Nov 21 2011

LINKS

Index to sequences with linear recurrences with constant coefficients, signature (0,1).

FORMULA

a(n)=-1/2*(-1)^n+11/2 =6*(n mod 2)+5*[(n+1) mod 2] - Paolo P. Lava (paoloplava(AT)gmail.com), Oct 20 2006

a(n) = a(n-2) for n>1; a(0)=5, a(1)=6. G.f.: (5+6*x)/((1-x)*(1+x)). [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Aug 01 2010]

CROSSREFS

Sequence in context: A106704 A127205 A006944 * A046603 A139396 A010487

Adjacent sequences:  A010714 A010715 A010716 * A010718 A010719 A010720

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 16 09:50 EST 2012. Contains 205904 sequences.