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%I M0719 #24 Oct 21 2023 17:06:12
%S 1,2,3,5,9,18,42
%N Weights of threshold functions.
%D S. Muroga, Threshold Logic and Its Applications. Wiley, NY, 1971, p. 268.
%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
%H Simon Plouffe, <a href="https://arxiv.org/abs/0911.4975">Approximations de séries génératrices et quelques conjectures</a>, Dissertation, Université du Québec à Montréal, 1992; arXiv:0911.4975 [math.NT], 2009.
%H Simon Plouffe, <a href="/A000051/a000051_2.pdf">1031 Generating Functions</a>, Appendix to Thesis, Montreal, 1992.
%p A003218:=-(1-4*z+2*z**3)/(-1+6*z-9*z**2+3*z**3); # Conjectured by _Simon Plouffe_ in his 1992 dissertation
%K nonn
%O 2,2
%A _N. J. A. Sloane_
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