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A098822 Number of cyclic configurations of type (n_3). 3
0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 3, 2, 3, 4, 4, 2, 5, 3 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,12

REFERENCES

A. Betten, G. Brinkmann and T. Pisanski, Counting symmetric configurations v_3, Discrete Appl. Math., 99 (2000), 331-338.

Pisanski, T.; Boben, M.; Marusic, D.; Orbanic, A.; and Graovac, A. The 10-cages and derived configurations. Discrete Math. 275 (2004), 265-276.

LINKS

Table of n, a(n) for n=1..19.

CROSSREFS

Cf. A001403, A023994.

Sequence in context: A275769 A094365 A272886 * A131597 A077070 A075988

Adjacent sequences:  A098819 A098820 A098821 * A098823 A098824 A098825

KEYWORD

nonn,hard

AUTHOR

N. J. A. Sloane, Nov 05 2004

EXTENSIONS

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

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

STATUS

approved

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Last modified December 14 19:24 EST 2018. Contains 318106 sequences. (Running on oeis4.)