A243331 Number of simple connected graphs with n nodes that are integral and planar.

1, 1, 1, 2, 2, 4, 4, 12, 9, 19

Offset

1,4

Links

Table of n, a(n) for n=1..10.

Travis Hoppe and Anna Petrone, Encyclopedia of Finite Graphs

T. Hoppe and A. Petrone, Integer sequence discovery from small graphs, arXiv preprint arXiv:1408.3644, 2014

Crossrefs

Cf. A003094 (planar graphs), A064731 (integral graphs).

Sequence in context: A125553 A218147 A226978 * A300218 A138317 A103659

Adjacent sequences: A243328 A243329 A243330 * A243332 A243333 A243334

Keyword

nonn,more

Author

Travis Hoppe and Anna Petrone, Jun 03 2014

Status

approved