%I #4 Oct 29 2022 15:11:21
%S 1,1,3,63
%N Number of partitions into "bus routes" of K_n.
%C 1. One and only one route exists on all edges of G.
%C 2. Terminals of two different routes don't meet on the same point.
%Y Cf. A131709.
%K nonn
%O 1,3
%A _Yasutoshi Kohmoto_, Feb 18 2008