%I A001603 M4801 N2051
%S A001603 1,11,101,781,5611,39161,270281,1857451,12744061,87382901,599019851,
%T A001603 4105974961,28143378001,192899171531,1322154751061,9062194370461
%N A001603 Related to factors of Fibonacci numbers.
%D A001603 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%D A001603 N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 
               (includes this sequence).
%D A001603 S. Plouffe, Approximations de S\'{e}ries G\'{e}n\'{e}ratrices et Quelques 
               Conjectures, Dissertation, Universit\'{e} du Qu\'{e}bec \`{a} Montr\'{e}al, 
               1992.
%D A001603 D. Jarden, Recurring Sequences. Riveon Lematematika, Jerusalem, 1966.
%H A001603 S. Plouffe, <a href="http://www.lacim.uqam.ca/%7Eplouffe/articles/MasterThesis.pdf">
               Approximations de S\'{e}ries G\'{e}n\'{e}ratrices et Quelques Conjectures</
               a>, Dissertation, Universit\'{e} du Qu\'{e}bec \`{a} Montr\'{e}al, 
               1992.
%H A001603 S. Plouffe, <a href="http://www.lacim.uqam.ca/%7Eplouffe/articles/FonctionsGeneratrices.pdf">
               1031 Generating Functions and Conjectures</a>, Universit\'{e} du 
               Qu\'{e}bec \`{a} Montr\'{e}al, 1992.
%p A001603 A001603:=-(1+13*z**2+z**4)/(z-1)/(z**2-3*z+1)/(z**2-7*z+1); [Conjectured 
               by S. Plouffe in his 1992 dissertation.]
%Y A001603 Sequence in context: A121402 A156307 A057532 this_sequence A045624 A125399 
               A163146
%Y A001603 Adjacent sequences: A001600 A001601 A001602 this_sequence A001604 A001605 
               A001606
%K A001603 nonn
%O A001603 0,2
%A A001603 N. J. A. Sloane (njas(AT)research.att.com).