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
C. J. Colbourn and A. Rosa, Maximal partial Steiner triple systems of order v <= 11, Ars. Comb., 20 (1985), 5-11. (Annotated scanned copy)
CROSSREFS
KEYWORD
nonn,more
AUTHOR
STATUS
approved