|
| |
|
|
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; 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.
|
|
|
CROSSREFS
| Cf. A001403, A023994.
Sequence in context: A147658 A105161 A094365 * A131597 A077070 A075988
Adjacent sequences: A098819 A098820 A098821 * A098823 A098824 A098825
|
|
|
KEYWORD
| nonn,hard
|
|
|
AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Nov 05 2004
|
|
|
EXTENSIONS
| a(1)-a(18) from the Betten, Brinkmann and Pisanski article.
a(19) from the Pisanski et al. article.
|
| |
|
|