1,6
Gordon Royle, Combinatorial Data
Cf. A084657, A058929.
Sequence in context: A082327 A072798 A075087 * A171559 A019916 A201838
Adjacent sequences: A084654 A084655 A084656 * A084658 A084659 A084660
nonn
Gordon Royle (gordon(AT)maths.uwa.edu.au), Jun 02 2003