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A098822 Number of cyclic configurations of type (n_3). 4


%S 0,0,0,0,0,0,1,1,1,1,1,3,2,3,4,4,2,5,3

%N Number of cyclic configurations of type (n_3).

%H A. Betten, G. Brinkmann and T. Pisanski, <a href="https://doi.org/10.1016/S0166-218X(99)00143-2">Counting symmetric configurations v_3</a>, Discrete Appl. Math., 99 (2000), 331-338.

%H T. Pisanski, M. Boben, D. MaruĊĦic, A. Orbanic, A. Graovac, <a href="https://doi.org/10.1016/S0012-365X(03)00110-9">The 10-cages and derived configurations</a>, Discrete Math. 275 (2004), 265-276.

%Y Cf. A001403, A023994.

%K nonn,hard,more

%O 1,12

%A _N. J. A. Sloane_, Nov 05 2004

%E a(1)-a(18) from the Betten, Brinkmann and Pisanski article.

%E a(19) from the Pisanski et al. article.

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Last modified May 6 05:18 EDT 2021. Contains 343580 sequences. (Running on oeis4.)