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A098804 Number of point-transitive configurations of type (n_3). +0
4
0, 0, 0, 0, 0, 0, 1, 1, 2, 2, 1, 4, 2, 3, 5, 6, 2, 9 (list; graph; listen)
OFFSET

1,9

REFERENCES

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

CROSSREFS

Cf. A001403, A023994.

Sequence in context: A051720 A022693 A146478 this_sequence A113072 A122918 A129903

Adjacent sequences: A098801 A098802 A098803 this_sequence A098805 A098806 A098807

KEYWORD

nonn,hard

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Nov 05 2004

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Last modified December 5 23:38 EST 2009. Contains 170428 sequences.


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