A086842 Number of n-node prime P5-free chordal graphs which are not split.

0, 0, 0, 0, 0, 1, 3, 17, 94, 583, 4004

Offset

1,7

Links

Table of n, a(n) for n=1..11.

F. Hüffner, tinygraph, software for generating integer sequences based on graph properties.

Example

The smallest such graph is on 6 vertices, commonly called the "double gem."

Crossrefs

Sequence in context: A221731 A290925 A020056 * A151330 A370570 A302871

Adjacent sequences: A086839 A086840 A086841 * A086843 A086844 A086845

Keyword

nonn

Author

Jim Nastos, Aug 08 2003

Extensions

a(10) and a(11) added using tinygraph by Falk Hüffner, Jan 22 2016

Status

approved