A001443 - OEIS

%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