A135444 Number of partitions into "bus routes" of K_n.

1, 1, 3, 63

Offset

1,3

Comments

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.

Links

Table of n, a(n) for n=1..4.

Crossrefs

Cf. A131709.

Sequence in context: A301609 A144422 A327053 * A333041 A323726 A087886

Adjacent sequences: A135441 A135442 A135443 * A135445 A135446 A135447

Keyword

nonn

Author

Yasutoshi Kohmoto, Feb 18 2008

Status

approved