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%I M0341 #22 Nov 09 2023 15:35:02
%S 0,0,1,0,2,2,4,14,52,555,1257,7934,66757,336297,2558894,33642945,
%T 250637748,1653170339
%N Number of inequivalent strong starters in cyclic group of order 2n+1.
%D CRC Handbook of Combinatorial Designs, 1996, p. 469.
%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
%H W. L. Kocay et al., <a href="https://doi.org/10.1016/0012-365X(85)90191-8">On strong starters in cyclic groups</a>, Discrete Math., 56 (1985), 45-60.
%H V. Linja-aho and Patric R. J. Östergård, <a href="http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.168.2315">Classification of starters</a>, J. Combin. Math. Combin. Comput. 75 (2010), 153-159.
%Y Cf. A001443.
%K nonn
%O 1,5
%A _N. J. A. Sloane_
%E Better definition from Vesa Linja-aho (vesa.linja-aho(AT)tkk.fi), Jul 31 2008
%E Corrected and extended by Vesa Linja-aho (vesa.linja-aho(AT)tkk.fi), May 06 2009
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