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%I M2460 N0977
%S 3,5,10,14,21,26,36,43,55,64,78,88,105,117,136,150,171,186,210,227,
%T 253,272,300,320,351,373,406,430,465,490,528,555,595,624,666,696,741
%N Related to Zarankiewicz's problem.
%D R. K. Guy, A problem of Zarankiewicz, in P. Erd\"{o}s and G. Katona, editors, Theory of Graphs (Proceedings of the Colloquium, Tihany, Hungary), Academic Press, NY, 1968, pp. 119-150, (p. 126, divided by 2).
%D N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
%H _Simon 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 _Simon 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 A001841:=-(2*z**4+z**5+2*z**2+2*z**3+2*z+3)/(z**2-z+1)/(z**2+z+1)/(z+1)**2/(z-1)**3; [Conjectured by _Simon Plouffe_ in his 1992 dissertation.]
%K nonn
%O 3,1
%A _N. J. A. Sloane_.
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