There exist \( 3 \) near bowtie systems of order \( 7 \), \( 12 \) bowtie systems of order \( 9 \), and \( 1{,}411{,}422 \) balanced bowtie systems of order \( 13 \).
Keywords: Bowtie system, Steiner triple system
Citation
M.J. Grannell, T.S. Griggs, G. LoFaro, A. Tripodi. Small Bowtie Systems: an Enumeration[J], Journal of Combinatorial Mathematics and Combinatorial Computing, Volume 070. 149-159. DOI: .