Search: id:A105899
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%I A105899
%S A105899 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
%N A105899 Period 6: repeat 1,1,2,2,3,3.
%C A105899 Terms of the simple continued fraction of 82/[sqrt(25277)-111]. Decimal 
               expansion of 3401/30303. [From Paolo P. Lava (ppl(AT)spl.at), Aug 
               05 2009]
%F A105899 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
%F A105899 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 (ppl(AT)spl.at), 
               Dec 19 2007
%o A105899 (PARI) a(n)=1+n%6\2 [From Jaume Oliver Lafont (joliverlafont(AT)gmail.com), 
               Aug 30 2009]
%Y A105899 Cf. A131555.
%Y A105899 Sequence in context: A143797 A079729 A071859 this_sequence A135695 A071434 
               A128924
%Y A105899 Adjacent sequences: A105896 A105897 A105898 this_sequence A105900 A105901 
               A105902
%K A105899 nonn
%O A105899 0,3
%A A105899 Paul Curtz (bpcrtz(AT)free.fr), Aug 27 2007
%E A105899 Edited by N. J. A. Sloane (njas(AT)research.att.com), Sep 15 2007

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