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%I #22 Aug 05 2024 13:51:59
%S 0,0,2,0,4,8,32,224,800,6660,27554,158680,1201626,9415980,76761968,
%T 672858900,6015305136,59514095596
%N Number of strong starters in cyclic group of order 2n+1.
%D CRC Handbook of Combinatorial Designs, 1996, p. 469.
%D W. L. Kocay et al., On strong starters in cyclic groups, Discrete Math., 56 (1985), 45-60.
%H Vesa Linja-aho, Patric R. J. Östergård, <a href="https://citeseerx.ist.psu.edu/pdf/bd21ec620182693b5f3629abbe7dbcd987f2d16f">Classification of starters</a>, J. Combin. Math. Combin. Comput. 75 (2010), 153-159
%Y Cf. A006205.
%K nonn,more
%O 1,3
%A _N. J. A. Sloane_
%E Corrected and extended by Vesa Linja-aho (vesa.linja-aho(AT)tkk.fi), May 06 2009