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A006181
Maximal partial Steiner triple systems of order n.
(Formerly M0338)
2
1, 1, 1, 2, 2, 4, 10, 47, 472
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OFFSET
3,4
REFERENCES
C. J. Colbourn and A. Rosa, Maximal partial Steiner triple systems of order v <= 11, Ars. Comb., 20 (1985), 5-11.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
LINKS
Table of n, a(n) for n=3..11.
C. J. Colbourn and A. Rosa,
Maximal partial Steiner triple systems of order v <= 11
, Ars. Comb., 20 (1985), 5-11. (Annotated scanned copy)
Index entries for sequences related to Steiner systems
CROSSREFS
Sequence in context:
A254400
A054100
A034165
*
A366425
A322924
A173100
Adjacent sequences:
A006178
A006179
A006180
*
A006182
A006183
A006184
KEYWORD
nonn
,
more
AUTHOR
N. J. A. Sloane
.
STATUS
approved
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Last modified April 23 12:27 EDT 2024. Contains 371912 sequences. (Running on oeis4.)