1,1
1. One and only one route exists on all edges of G
2. Terminals of two different routes don't meet on the same point
Cf. A131709.
Sequence in context: A005832 A195501 A075768 * A086895 A173367 A090086
Adjacent sequences: A135439 A135440 A135441 * A135443 A135444 A135445
nonn,more,bref
Yasutoshi Kohmoto zbi74583(AT)boat.zero.ad.jp, Feb 18 2008